commit bash-20200907 snapshot

2026-06-28 16:09:51 +02:00 · 2020-09-21 08:52:51 -04:00
parent f43f678557
commit 9c10def123
21 changed files with 571 additions and 538 deletions
@@ -8977,3 +8977,25 @@ eval.c
 	  This protects against a command from PROMPT_COMMAND[n] unsetting the
 	  corresponding element of PROMPT_COMMAND.
 	  From a report from Koichi Murase <myoga.murase@gmail.com>
+
+				    9/7
+				    ---
+[bash-5.1-beta frozen]
+
+				    9/8
+				    ---
+lib/readline/display.c
+	- _rl_update_final: don't bother doing anything if the line structures
+	  have not been initialized. Report and fix from gary@catalyst.net.nz
+
+variables.c
+	- get_histcmd: perform the same adjustment as in prompt_history_number;
+	  make sure to subtract one if we're doing this while executing a
+	  command that has already been saved to the history list. Inspired
+	  by a report from L A Walsh <bash@tlinx.org>
+
+				   9/14
+				   ----
+aclocal.m4
+	- BASH_STRUCT_WEXITSTATUS_OFFSET: fix typo in loop condition reported
+	  by Andreas K. Hüttel <dilfridge@gentoo.org>
@@ -1175,6 +1175,7 @@ tests/jobs3.sub		f
 tests/jobs4.sub		f
 tests/jobs5.sub		f
 tests/jobs6.sub		f
+tests/jobs7.sub		f
 tests/jobs.right	f
 tests/lastpipe.right	f
 tests/lastpipe.tests	f
@@ -2207,7 +2207,7 @@ main(c, v)
    exit (255);

  /* crack s */
-  for (i = 0; i < (sizeof(s) - 8); i++)
+  for (i = 0; i < (sizeof(s) * 8); i++)
    {
      n = (s >> i) & 0xff;
      if (n == 42)
@@ -18296,7 +18296,7 @@ main(c, v)
    exit (255);

  /* crack s */
-  for (i = 0; i < (sizeof(s) - 8); i++)
+  for (i = 0; i < (sizeof(s) * 8); i++)
    {
      n = (s >> i) & 0xff;
      if (n == 42)
@@ -1316,11 +1316,11 @@ PPAARRAAMMEETTEERRSS
              while  the  shell is running, bbaasshh enables _p_o_s_i_x _m_o_d_e, as if the
              command _s_e_t _-_o _p_o_s_i_x had been executed.  When the  shell  enters
              _p_o_s_i_x _m_o_d_e, it sets this variable if it was not already set.
-       PPRROOMMPPTT__CCOOMMMMAANNDDSS
-              If  this array variable is set, the value of each set element is
-              executed as a command prior to issuing each primary prompt.   If
-              this is not set, but PPRROOMMPPTT__CCOOMMMMAANNDD is set to a value, its value
-              is used as a command to execute instead.
+       PPRROOMMPPTT__CCOOMMMMAANNDD
+              If  this variable is set, and is an array, the value of each set
+              element is executed as a command prior to issuing  each  primary
+              prompt.   If this is set but not an array variable, its value is
+              used as a command to execute instead.
       PPRROOMMPPTT__DDIIRRTTRRIIMM
              If set to a number greater than zero, the value is used  as  the
              number of trailing directory components to retain when expanding
@@ -6401,4 +6401,4 @@ BBUUGGSS



-GNU Bash 5.1                     2020 August 3                         BASH(1)
+GNU Bash 5.1                    2020 August 25                         BASH(1)
@@ -3,7 +3,7 @@
 </HEAD>
 <BODY><TABLE WIDTH=100%>
 <TR>
-<TH ALIGN=LEFT width=33%>BASH(1)<TH ALIGN=CENTER width=33%>2020 August 3<TH ALIGN=RIGHT width=33%>BASH(1)
+<TH ALIGN=LEFT width=33%>BASH(1)<TH ALIGN=CENTER width=33%>2020 August 25<TH ALIGN=RIGHT width=33%>BASH(1)
 </TR>
 </TABLE>
 <BR><A HREF="#index">Index</A>
@@ -3129,16 +3129,14 @@ running, <B>bash</B> enables <I>posix mode</I>, as if the command
 had been executed.
 When the shell enters <I>posix mode</I>, it sets this variable if it was
 not already set.
-<DT><B>PROMPT_COMMANDS</B>
+<DT><B>PROMPT_COMMAND</B>

 <DD>
-If this array variable is set,
+If this variable is set, and is an array,
 the value of each set element is executed as a command
 prior to issuing each primary prompt.
-If this is not set, but
-<B>PROMPT_COMMAND</B>
-
-is set to a value, its value is used as a command to execute instead.
+If this is set but not an array variable, 
+its value is used as a command to execute instead.
 <DT><B>PROMPT_DIRTRIM</B>

 <DD>
@@ -14254,7 +14252,7 @@ There may be only one active coprocess at a time.
 <HR>
 <TABLE WIDTH=100%>
 <TR>
-<TH ALIGN=LEFT width=33%>GNU Bash 5.1<TH ALIGN=CENTER width=33%>2020 August 3<TH ALIGN=RIGHT width=33%>BASH(1)
+<TH ALIGN=LEFT width=33%>GNU Bash 5.1<TH ALIGN=CENTER width=33%>2020 August 25<TH ALIGN=RIGHT width=33%>BASH(1)
 </TR>
 </TABLE>
 <HR>
@@ -14361,6 +14359,6 @@ There may be only one active coprocess at a time.
 </DL>
 <HR>
 This document was created by man2html from bash.1.<BR>
-Time: 07 August 2020 11:58:21 EDT
+Time: 07 September 2020 09:52:27 EDT
 </BODY>
 </HTML>
@@ -2,9 +2,9 @@ This is bash.info, produced by makeinfo version 6.7 from
 bashref.texi.

 This text is a brief description of the features that are present in the
-Bash shell (version 5.1, 3 August 2020).
+Bash shell (version 5.1, 25 August 2020).

-   This is Edition 5.1, last updated 3 August 2020, of 'The GNU Bash
+   This is Edition 5.1, last updated 25 August 2020, of 'The GNU Bash
 Reference Manual', for 'Bash', Version 5.1.

   Copyright (C) 1988-2018 Free Software Foundation, Inc.
@@ -27,10 +27,10 @@ Bash Features
 *************

 This text is a brief description of the features that are present in the
-Bash shell (version 5.1, 3 August 2020).  The Bash home page is
+Bash shell (version 5.1, 25 August 2020).  The Bash home page is
 <http://www.gnu.org/software/bash/>.

-   This is Edition 5.1, last updated 3 August 2020, of 'The GNU Bash
+   This is Edition 5.1, last updated 25 August 2020, of 'The GNU Bash
 Reference Manual', for 'Bash', Version 5.1.

   Bash contains features that appear in other popular shells, and some
@@ -5422,11 +5422,11 @@ Variables::).
     The process ID of the shell's parent process.  This variable is
     readonly.

-'PROMPT_COMMANDS'
-     If this array variable is set, the value of each set element is
-     interpreted as a command to execute before printing the primary
-     prompt ('$PS1').  If this is not set, but 'PROMPT_COMMAND' is set
-     to a value, its value is used as a command to execute instead.
+'PROMPT_COMMAND'
+     If this variable is set, and is an array, the value of each set
+     element is interpreted as a command to execute before printing the
+     primary prompt ('$PS1').  If this is set but not an array variable,
+     its value is used as a command to execute instead.

 'PROMPT_DIRTRIM'
     If set to a number greater than zero, the value is used as the
@@ -11567,7 +11567,7 @@ D.3 Parameter and Variable Index
 * PIPESTATUS:                            Bash Variables.      (line 553)
 * POSIXLY_CORRECT:                       Bash Variables.      (line 558)
 * PPID:                                  Bash Variables.      (line 568)
-* PROMPT_COMMANDS:                       Bash Variables.      (line 572)
+* PROMPT_COMMAND:                        Bash Variables.      (line 572)
 * PROMPT_DIRTRIM:                        Bash Variables.      (line 578)
 * PS0:                                   Bash Variables.      (line 584)
 * PS1:                                   Bourne Shell Variables.
@@ -11979,137 +11979,137 @@ D.5 Concept Index


 Tag Table:
-Node: Top891
-Node: Introduction2805
-Node: What is Bash?3021
-Node: What is a shell?4135
-Node: Definitions6673
-Node: Basic Shell Features9624
-Node: Shell Syntax10843
-Node: Shell Operation11869
-Node: Quoting13162
-Node: Escape Character14462
-Node: Single Quotes14947
-Node: Double Quotes15295
-Node: ANSI-C Quoting16573
-Node: Locale Translation17832
-Node: Comments18985
-Node: Shell Commands19603
-Node: Reserved Words20541
-Node: Simple Commands21297
-Node: Pipelines21951
-Node: Lists24883
-Node: Compound Commands26674
-Node: Looping Constructs27686
-Node: Conditional Constructs30181
-Node: Command Grouping41752
-Node: Coprocesses43231
-Node: GNU Parallel45134
-Node: Shell Functions49435
-Node: Shell Parameters56642
-Node: Positional Parameters61055
-Node: Special Parameters61955
-Node: Shell Expansions65179
-Node: Brace Expansion67302
-Node: Tilde Expansion70025
-Node: Shell Parameter Expansion72642
-Node: Command Substitution87771
-Node: Arithmetic Expansion89126
-Node: Process Substitution90058
-Node: Word Splitting91178
-Node: Filename Expansion93122
-Node: Pattern Matching95671
-Node: Quote Removal99657
-Node: Redirections99952
-Node: Executing Commands109522
-Node: Simple Command Expansion110192
-Node: Command Search and Execution112146
-Node: Command Execution Environment114522
-Node: Environment117506
-Node: Exit Status119165
-Node: Signals120835
-Node: Shell Scripts122802
-Node: Shell Builtin Commands125814
-Node: Bourne Shell Builtins127852
-Node: Bash Builtins148781
-Node: Modifying Shell Behavior178716
-Node: The Set Builtin179061
-Node: The Shopt Builtin189474
-Node: Special Builtins204384
-Node: Shell Variables205363
-Node: Bourne Shell Variables205800
-Node: Bash Variables207904
-Node: Bash Features240482
-Node: Invoking Bash241495
-Node: Bash Startup Files247508
-Node: Interactive Shells252611
-Node: What is an Interactive Shell?253021
-Node: Is this Shell Interactive?253670
-Node: Interactive Shell Behavior254485
-Node: Bash Conditional Expressions257999
-Node: Shell Arithmetic262576
-Node: Aliases265516
-Node: Arrays268136
-Node: The Directory Stack274145
-Node: Directory Stack Builtins274929
-Node: Controlling the Prompt277897
-Node: The Restricted Shell280847
-Node: Bash POSIX Mode283441
-Node: Shell Compatibility Mode294477
-Node: Job Control301133
-Node: Job Control Basics301593
-Node: Job Control Builtins306589
-Node: Job Control Variables311989
-Node: Command Line Editing313145
-Node: Introduction and Notation314816
-Node: Readline Interaction316439
-Node: Readline Bare Essentials317630
-Node: Readline Movement Commands319413
-Node: Readline Killing Commands320373
-Node: Readline Arguments322291
-Node: Searching323335
-Node: Readline Init File325521
-Node: Readline Init File Syntax326780
-Node: Conditional Init Constructs347319
-Node: Sample Init File351515
-Node: Bindable Readline Commands354639
-Node: Commands For Moving355843
-Node: Commands For History357894
-Node: Commands For Text362687
-Node: Commands For Killing366336
-Node: Numeric Arguments369369
-Node: Commands For Completion370508
-Node: Keyboard Macros374699
-Node: Miscellaneous Commands375386
-Node: Readline vi Mode381070
-Node: Programmable Completion381977
-Node: Programmable Completion Builtins389757
-Node: A Programmable Completion Example400452
-Node: Using History Interactively405699
-Node: Bash History Facilities406383
-Node: Bash History Builtins409388
-Node: History Interaction414117
-Node: Event Designators417737
-Node: Word Designators419091
-Node: Modifiers420851
-Node: Installing Bash422662
-Node: Basic Installation423799
-Node: Compilers and Options427057
-Node: Compiling For Multiple Architectures427798
-Node: Installation Names429491
-Node: Specifying the System Type430309
-Node: Sharing Defaults431025
-Node: Operation Controls431698
-Node: Optional Features432656
-Node: Reporting Bugs443174
-Node: Major Differences From The Bourne Shell444368
-Node: GNU Free Documentation License461220
-Node: Indexes486397
-Node: Builtin Index486851
-Node: Reserved Word Index493678
-Node: Variable Index496126
-Node: Function Index512023
-Node: Concept Index525533
+Node: Top893
+Node: Introduction2809
+Node: What is Bash?3025
+Node: What is a shell?4139
+Node: Definitions6677
+Node: Basic Shell Features9628
+Node: Shell Syntax10847
+Node: Shell Operation11873
+Node: Quoting13166
+Node: Escape Character14466
+Node: Single Quotes14951
+Node: Double Quotes15299
+Node: ANSI-C Quoting16577
+Node: Locale Translation17836
+Node: Comments18989
+Node: Shell Commands19607
+Node: Reserved Words20545
+Node: Simple Commands21301
+Node: Pipelines21955
+Node: Lists24887
+Node: Compound Commands26678
+Node: Looping Constructs27690
+Node: Conditional Constructs30185
+Node: Command Grouping41756
+Node: Coprocesses43235
+Node: GNU Parallel45138
+Node: Shell Functions49439
+Node: Shell Parameters56646
+Node: Positional Parameters61059
+Node: Special Parameters61959
+Node: Shell Expansions65183
+Node: Brace Expansion67306
+Node: Tilde Expansion70029
+Node: Shell Parameter Expansion72646
+Node: Command Substitution87775
+Node: Arithmetic Expansion89130
+Node: Process Substitution90062
+Node: Word Splitting91182
+Node: Filename Expansion93126
+Node: Pattern Matching95675
+Node: Quote Removal99661
+Node: Redirections99956
+Node: Executing Commands109526
+Node: Simple Command Expansion110196
+Node: Command Search and Execution112150
+Node: Command Execution Environment114526
+Node: Environment117510
+Node: Exit Status119169
+Node: Signals120839
+Node: Shell Scripts122806
+Node: Shell Builtin Commands125818
+Node: Bourne Shell Builtins127856
+Node: Bash Builtins148785
+Node: Modifying Shell Behavior178720
+Node: The Set Builtin179065
+Node: The Shopt Builtin189478
+Node: Special Builtins204388
+Node: Shell Variables205367
+Node: Bourne Shell Variables205804
+Node: Bash Variables207908
+Node: Bash Features240478
+Node: Invoking Bash241491
+Node: Bash Startup Files247504
+Node: Interactive Shells252607
+Node: What is an Interactive Shell?253017
+Node: Is this Shell Interactive?253666
+Node: Interactive Shell Behavior254481
+Node: Bash Conditional Expressions257995
+Node: Shell Arithmetic262572
+Node: Aliases265512
+Node: Arrays268132
+Node: The Directory Stack274141
+Node: Directory Stack Builtins274925
+Node: Controlling the Prompt277893
+Node: The Restricted Shell280843
+Node: Bash POSIX Mode283437
+Node: Shell Compatibility Mode294473
+Node: Job Control301129
+Node: Job Control Basics301589
+Node: Job Control Builtins306585
+Node: Job Control Variables311985
+Node: Command Line Editing313141
+Node: Introduction and Notation314812
+Node: Readline Interaction316435
+Node: Readline Bare Essentials317626
+Node: Readline Movement Commands319409
+Node: Readline Killing Commands320369
+Node: Readline Arguments322287
+Node: Searching323331
+Node: Readline Init File325517
+Node: Readline Init File Syntax326776
+Node: Conditional Init Constructs347315
+Node: Sample Init File351511
+Node: Bindable Readline Commands354635
+Node: Commands For Moving355839
+Node: Commands For History357890
+Node: Commands For Text362683
+Node: Commands For Killing366332
+Node: Numeric Arguments369365
+Node: Commands For Completion370504
+Node: Keyboard Macros374695
+Node: Miscellaneous Commands375382
+Node: Readline vi Mode381066
+Node: Programmable Completion381973
+Node: Programmable Completion Builtins389753
+Node: A Programmable Completion Example400448
+Node: Using History Interactively405695
+Node: Bash History Facilities406379
+Node: Bash History Builtins409384
+Node: History Interaction414113
+Node: Event Designators417733
+Node: Word Designators419087
+Node: Modifiers420847
+Node: Installing Bash422658
+Node: Basic Installation423795
+Node: Compilers and Options427053
+Node: Compiling For Multiple Architectures427794
+Node: Installation Names429487
+Node: Specifying the System Type430305
+Node: Sharing Defaults431021
+Node: Operation Controls431694
+Node: Optional Features432652
+Node: Reporting Bugs443170
+Node: Major Differences From The Bourne Shell444364
+Node: GNU Free Documentation License461216
+Node: Indexes486393
+Node: Builtin Index486847
+Node: Reserved Word Index493674
+Node: Variable Index496122
+Node: Function Index512019
+Node: Concept Index525529

 End Tag Table

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+(oprocess at a time.).15 E(GNU Bash 5.1)72 768 Q(2020 August 25)142.895
+E(83)192.055 E 0 Cg EP
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 end
 %%EOF
@@ -1,9 +1,9 @@
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <html>
 <!-- This text is a brief description of the features that are present in
-the Bash shell (version 5.1, 3 August 2020).
+the Bash shell (version 5.1, 25 August 2020).

-This is Edition 5.1, last updated 3 August 2020,
+This is Edition 5.1, last updated 25 August 2020,
 of The GNU Bash Reference Manual,
 for Bash, Version 5.1.

@@ -63,7 +63,6 @@ ul.no-bullet {list-style: none}



-
 <span id="SEC_Contents"></span>
 <h2 class="contents-heading">Table of Contents</h2>

@@ -276,10 +275,10 @@ Next: <a href="#Introduction" accesskey="n" rel="next">Introduction</a>, Previou
 <span id="Bash-Features-1"></span><h1 class="top">Bash Features</h1>

 <p>This text is a brief description of the features that are present in
-the Bash shell (version 5.1, 3 August 2020).
+the Bash shell (version 5.1, 25 August 2020).
 The Bash home page is <a href="http://www.gnu.org/software/bash/">http://www.gnu.org/software/bash/</a>.
 </p>
-<p>This is Edition 5.1, last updated 3 August 2020,
+<p>This is Edition 5.1, last updated 25 August 2020,
 of <cite>The GNU Bash Reference Manual</cite>,
 for <code>Bash</code>, Version 5.1.
 </p>
@@ -7323,15 +7322,14 @@ not already set.
 is readonly.
 </p>
 </dd>
-<dt><code>PROMPT_COMMANDS</code>
-<span id="index-PROMPT_005fCOMMANDS"></span>
+<dt><code>PROMPT_COMMAND</code>
+<span id="index-PROMPT_005fCOMMAND"></span>
 </dt>
-<dd><p>If this array variable is set,
+<dd><p>If this variable is set, and is an array,
 the value of each set element is interpreted as a command to execute
 before printing the primary prompt (<code>$PS1</code>).
-If this is not set, but
-<code>PROMPT_COMMAND</code>
-is set to a value, its value is used as a command to execute instead.
+If this is set but not an array variable,
+its value is used as a command to execute instead.
 </p>
 </dd>
 <dt><code>PROMPT_DIRTRIM</code>
@@ -15246,7 +15244,7 @@ Next: <a href="#Function-Index" accesskey="n" rel="next">Function Index</a>, Pre
 <tr><td></td><td valign="top"><a href="#index-PIPESTATUS"><code>PIPESTATUS</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
 <tr><td></td><td valign="top"><a href="#index-POSIXLY_005fCORRECT"><code>POSIXLY_CORRECT</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
 <tr><td></td><td valign="top"><a href="#index-PPID"><code>PPID</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
-<tr><td></td><td valign="top"><a href="#index-PROMPT_005fCOMMANDS"><code>PROMPT_COMMANDS</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
+<tr><td></td><td valign="top"><a href="#index-PROMPT_005fCOMMAND"><code>PROMPT_COMMAND</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
 <tr><td></td><td valign="top"><a href="#index-PROMPT_005fDIRTRIM"><code>PROMPT_DIRTRIM</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
 <tr><td></td><td valign="top"><a href="#index-PS0"><code>PS0</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
 <tr><td></td><td valign="top"><a href="#index-PS1"><code>PS1</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bourne-Shell-Variables">Bourne Shell Variables</a></td></tr>
@@ -2,9 +2,9 @@ This is bashref.info, produced by makeinfo version 6.7 from
 bashref.texi.

 This text is a brief description of the features that are present in the
-Bash shell (version 5.1, 3 August 2020).
+Bash shell (version 5.1, 25 August 2020).

-   This is Edition 5.1, last updated 3 August 2020, of 'The GNU Bash
+   This is Edition 5.1, last updated 25 August 2020, of 'The GNU Bash
 Reference Manual', for 'Bash', Version 5.1.

   Copyright (C) 1988-2018 Free Software Foundation, Inc.
@@ -27,10 +27,10 @@ Bash Features
 *************

 This text is a brief description of the features that are present in the
-Bash shell (version 5.1, 3 August 2020).  The Bash home page is
+Bash shell (version 5.1, 25 August 2020).  The Bash home page is
 <http://www.gnu.org/software/bash/>.

-   This is Edition 5.1, last updated 3 August 2020, of 'The GNU Bash
+   This is Edition 5.1, last updated 25 August 2020, of 'The GNU Bash
 Reference Manual', for 'Bash', Version 5.1.

   Bash contains features that appear in other popular shells, and some
@@ -5422,11 +5422,11 @@ Variables::).
     The process ID of the shell's parent process.  This variable is
     readonly.

-'PROMPT_COMMANDS'
-     If this array variable is set, the value of each set element is
-     interpreted as a command to execute before printing the primary
-     prompt ('$PS1').  If this is not set, but 'PROMPT_COMMAND' is set
-     to a value, its value is used as a command to execute instead.
+'PROMPT_COMMAND'
+     If this variable is set, and is an array, the value of each set
+     element is interpreted as a command to execute before printing the
+     primary prompt ('$PS1').  If this is set but not an array variable,
+     its value is used as a command to execute instead.

 'PROMPT_DIRTRIM'
     If set to a number greater than zero, the value is used as the
@@ -11567,7 +11567,7 @@ D.3 Parameter and Variable Index
 * PIPESTATUS:                            Bash Variables.      (line 553)
 * POSIXLY_CORRECT:                       Bash Variables.      (line 558)
 * PPID:                                  Bash Variables.      (line 568)
-* PROMPT_COMMANDS:                       Bash Variables.      (line 572)
+* PROMPT_COMMAND:                        Bash Variables.      (line 572)
 * PROMPT_DIRTRIM:                        Bash Variables.      (line 578)
 * PS0:                                   Bash Variables.      (line 584)
 * PS1:                                   Bourne Shell Variables.
@@ -11979,137 +11979,137 @@ D.5 Concept Index


 Tag Table:
-Node: Top891
-Node: Introduction2805
-Node: What is Bash?3021
-Node: What is a shell?4135
-Node: Definitions6673
-Node: Basic Shell Features9624
-Node: Shell Syntax10843
-Node: Shell Operation11869
-Node: Quoting13162
-Node: Escape Character14462
-Node: Single Quotes14947
-Node: Double Quotes15295
-Node: ANSI-C Quoting16573
-Node: Locale Translation17832
-Node: Comments18985
-Node: Shell Commands19603
-Node: Reserved Words20541
-Node: Simple Commands21297
-Node: Pipelines21951
-Node: Lists24883
-Node: Compound Commands26674
-Node: Looping Constructs27686
-Node: Conditional Constructs30181
-Node: Command Grouping41752
-Node: Coprocesses43231
-Node: GNU Parallel45134
-Node: Shell Functions49435
-Node: Shell Parameters56642
-Node: Positional Parameters61055
-Node: Special Parameters61955
-Node: Shell Expansions65179
-Node: Brace Expansion67302
-Node: Tilde Expansion70025
-Node: Shell Parameter Expansion72642
-Node: Command Substitution87771
-Node: Arithmetic Expansion89126
-Node: Process Substitution90058
-Node: Word Splitting91178
-Node: Filename Expansion93122
-Node: Pattern Matching95671
-Node: Quote Removal99657
-Node: Redirections99952
-Node: Executing Commands109522
-Node: Simple Command Expansion110192
-Node: Command Search and Execution112146
-Node: Command Execution Environment114522
-Node: Environment117506
-Node: Exit Status119165
-Node: Signals120835
-Node: Shell Scripts122802
-Node: Shell Builtin Commands125814
-Node: Bourne Shell Builtins127852
-Node: Bash Builtins148781
-Node: Modifying Shell Behavior178716
-Node: The Set Builtin179061
-Node: The Shopt Builtin189474
-Node: Special Builtins204384
-Node: Shell Variables205363
-Node: Bourne Shell Variables205800
-Node: Bash Variables207904
-Node: Bash Features240482
-Node: Invoking Bash241495
-Node: Bash Startup Files247508
-Node: Interactive Shells252611
-Node: What is an Interactive Shell?253021
-Node: Is this Shell Interactive?253670
-Node: Interactive Shell Behavior254485
-Node: Bash Conditional Expressions257999
-Node: Shell Arithmetic262576
-Node: Aliases265516
-Node: Arrays268136
-Node: The Directory Stack274145
-Node: Directory Stack Builtins274929
-Node: Controlling the Prompt277897
-Node: The Restricted Shell280847
-Node: Bash POSIX Mode283441
-Node: Shell Compatibility Mode294477
-Node: Job Control301133
-Node: Job Control Basics301593
-Node: Job Control Builtins306589
-Node: Job Control Variables311989
-Node: Command Line Editing313145
-Node: Introduction and Notation314816
-Node: Readline Interaction316439
-Node: Readline Bare Essentials317630
-Node: Readline Movement Commands319413
-Node: Readline Killing Commands320373
-Node: Readline Arguments322291
-Node: Searching323335
-Node: Readline Init File325521
-Node: Readline Init File Syntax326780
-Node: Conditional Init Constructs347319
-Node: Sample Init File351515
-Node: Bindable Readline Commands354639
-Node: Commands For Moving355843
-Node: Commands For History357894
-Node: Commands For Text362687
-Node: Commands For Killing366336
-Node: Numeric Arguments369369
-Node: Commands For Completion370508
-Node: Keyboard Macros374699
-Node: Miscellaneous Commands375386
-Node: Readline vi Mode381070
-Node: Programmable Completion381977
-Node: Programmable Completion Builtins389757
-Node: A Programmable Completion Example400452
-Node: Using History Interactively405699
-Node: Bash History Facilities406383
-Node: Bash History Builtins409388
-Node: History Interaction414117
-Node: Event Designators417737
-Node: Word Designators419091
-Node: Modifiers420851
-Node: Installing Bash422662
-Node: Basic Installation423799
-Node: Compilers and Options427057
-Node: Compiling For Multiple Architectures427798
-Node: Installation Names429491
-Node: Specifying the System Type430309
-Node: Sharing Defaults431025
-Node: Operation Controls431698
-Node: Optional Features432656
-Node: Reporting Bugs443174
-Node: Major Differences From The Bourne Shell444368
-Node: GNU Free Documentation License461220
-Node: Indexes486397
-Node: Builtin Index486851
-Node: Reserved Word Index493678
-Node: Variable Index496126
-Node: Function Index512023
-Node: Concept Index525533
+Node: Top893
+Node: Introduction2809
+Node: What is Bash?3025
+Node: What is a shell?4139
+Node: Definitions6677
+Node: Basic Shell Features9628
+Node: Shell Syntax10847
+Node: Shell Operation11873
+Node: Quoting13166
+Node: Escape Character14466
+Node: Single Quotes14951
+Node: Double Quotes15299
+Node: ANSI-C Quoting16577
+Node: Locale Translation17836
+Node: Comments18989
+Node: Shell Commands19607
+Node: Reserved Words20545
+Node: Simple Commands21301
+Node: Pipelines21955
+Node: Lists24887
+Node: Compound Commands26678
+Node: Looping Constructs27690
+Node: Conditional Constructs30185
+Node: Command Grouping41756
+Node: Coprocesses43235
+Node: GNU Parallel45138
+Node: Shell Functions49439
+Node: Shell Parameters56646
+Node: Positional Parameters61059
+Node: Special Parameters61959
+Node: Shell Expansions65183
+Node: Brace Expansion67306
+Node: Tilde Expansion70029
+Node: Shell Parameter Expansion72646
+Node: Command Substitution87775
+Node: Arithmetic Expansion89130
+Node: Process Substitution90062
+Node: Word Splitting91182
+Node: Filename Expansion93126
+Node: Pattern Matching95675
+Node: Quote Removal99661
+Node: Redirections99956
+Node: Executing Commands109526
+Node: Simple Command Expansion110196
+Node: Command Search and Execution112150
+Node: Command Execution Environment114526
+Node: Environment117510
+Node: Exit Status119169
+Node: Signals120839
+Node: Shell Scripts122806
+Node: Shell Builtin Commands125818
+Node: Bourne Shell Builtins127856
+Node: Bash Builtins148785
+Node: Modifying Shell Behavior178720
+Node: The Set Builtin179065
+Node: The Shopt Builtin189478
+Node: Special Builtins204388
+Node: Shell Variables205367
+Node: Bourne Shell Variables205804
+Node: Bash Variables207908
+Node: Bash Features240478
+Node: Invoking Bash241491
+Node: Bash Startup Files247504
+Node: Interactive Shells252607
+Node: What is an Interactive Shell?253017
+Node: Is this Shell Interactive?253666
+Node: Interactive Shell Behavior254481
+Node: Bash Conditional Expressions257995
+Node: Shell Arithmetic262572
+Node: Aliases265512
+Node: Arrays268132
+Node: The Directory Stack274141
+Node: Directory Stack Builtins274925
+Node: Controlling the Prompt277893
+Node: The Restricted Shell280843
+Node: Bash POSIX Mode283437
+Node: Shell Compatibility Mode294473
+Node: Job Control301129
+Node: Job Control Basics301589
+Node: Job Control Builtins306585
+Node: Job Control Variables311985
+Node: Command Line Editing313141
+Node: Introduction and Notation314812
+Node: Readline Interaction316435
+Node: Readline Bare Essentials317626
+Node: Readline Movement Commands319409
+Node: Readline Killing Commands320369
+Node: Readline Arguments322287
+Node: Searching323331
+Node: Readline Init File325517
+Node: Readline Init File Syntax326776
+Node: Conditional Init Constructs347315
+Node: Sample Init File351511
+Node: Bindable Readline Commands354635
+Node: Commands For Moving355839
+Node: Commands For History357890
+Node: Commands For Text362683
+Node: Commands For Killing366332
+Node: Numeric Arguments369365
+Node: Commands For Completion370504
+Node: Keyboard Macros374695
+Node: Miscellaneous Commands375382
+Node: Readline vi Mode381066
+Node: Programmable Completion381973
+Node: Programmable Completion Builtins389753
+Node: A Programmable Completion Example400448
+Node: Using History Interactively405695
+Node: Bash History Facilities406379
+Node: Bash History Builtins409384
+Node: History Interaction414113
+Node: Event Designators417733
+Node: Word Designators419087
+Node: Modifiers420847
+Node: Installing Bash422658
+Node: Basic Installation423795
+Node: Compilers and Options427053
+Node: Compiling For Multiple Architectures427794
+Node: Installation Names429487
+Node: Specifying the System Type430305
+Node: Sharing Defaults431021
+Node: Operation Controls431694
+Node: Optional Features432652
+Node: Reporting Bugs443170
+Node: Major Differences From The Bourne Shell444364
+Node: GNU Free Documentation License461216
+Node: Indexes486393
+Node: Builtin Index486847
+Node: Reserved Word Index493674
+Node: Variable Index496122
+Node: Function Index512019
+Node: Concept Index525529

 End Tag Table

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 b(5.1.)150 4767 y(Cop)m(yrigh)m(t)602 4764 y(c)577 4767
 y Fq(\015)f Fu(1988{2018)35 b(F)-8 b(ree)31 b(Soft)m(w)m(are)h(F)-8
 b(oundation,)31 b(Inc.)390 4902 y(P)m(ermission)21 b(is)f(gran)m(ted)h
@@ -14054,74 +14054,74 @@ TeXDict begin 82 87 bop 150 -116 a Fu(Chapter)30 b(5:)41
 b(Shell)30 b(V)-8 b(ariables)2459 b(82)150 299 y Ft(LC_NUMERIC)630
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-565 y Ft(LC_TIME)144 b Fu(This)25 b(v)-5 b(ariable)26
+573 y Ft(LC_TIME)144 b Fu(This)25 b(v)-5 b(ariable)26
 b(determines)g(the)g(lo)s(cale)h(category)h(used)d(for)g(data)h(and)f
-(time)i(formatting.)150 722 y Ft(LINENO)192 b Fu(The)32
+(time)i(formatting.)150 737 y Ft(LINENO)192 b Fu(The)32
 b(line)h(n)m(um)m(b)s(er)e(in)i(the)f(script)h(or)f(shell)h(function)f
 (curren)m(tly)h(executing.)49 b(If)32 b Ft(LINENO)630
-831 y Fu(is)e(unset,)h(it)g(loses)g(its)f(sp)s(ecial)h(prop)s(erties,)f
+847 y Fu(is)e(unset,)h(it)g(loses)g(its)f(sp)s(ecial)h(prop)s(erties,)f
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-988 y Ft(LINES)240 b Fu(Used)43 b(b)m(y)g(the)g Ft(select)e
+1011 y Ft(LINES)240 b Fu(Used)43 b(b)m(y)g(the)g Ft(select)e
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-(ting)630 1097 y(selection)c(lists.)63 b(Automatically)41
+(ting)630 1121 y(selection)c(lists.)63 b(Automatically)41
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-630 1207 y(Section)44 b(4.3.2)h([The)e(Shopt)g(Builtin],)k(page)d
+630 1230 y(Section)44 b(4.3.2)h([The)e(Shopt)g(Builtin],)k(page)d
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-1316 y(receipt)31 b(of)g(a)g Ft(SIGWINCH)p Fu(.)150 1473
+1340 y(receipt)31 b(of)g(a)g Ft(SIGWINCH)p Fu(.)150 1504
 y Ft(MACHTYPE)96 b Fu(A)26 b(string)g(that)h(fully)f(describ)s(es)f
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-Fu(format.)150 1739 y Ft(MAILCHECK)630 1849 y Fu(Ho)m(w)d(often)g(\(in)
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+(in)f(the)h(\014les)g(sp)s(eci\014ed)630 1998 y(in)i(the)h
 Ft(MAILPATH)e Fu(or)i Ft(MAIL)e Fu(v)-5 b(ariables.)43
 b(The)30 b(default)h(is)f(60)i(seconds.)42 b(When)30
-b(it)h(is)g(time)630 2068 y(to)37 b(c)m(hec)m(k)h(for)e(mail,)j(the)e
+b(it)h(is)g(time)630 2107 y(to)37 b(c)m(hec)m(k)h(for)e(mail,)j(the)e
 (shell)f(do)s(es)g(so)h(b)s(efore)f(displa)m(ying)h(the)f(primary)g
-(prompt.)57 b(If)630 2178 y(this)37 b(v)-5 b(ariable)38
+(prompt.)57 b(If)630 2217 y(this)37 b(v)-5 b(ariable)38
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-(a)f(n)m(um)m(b)s(er)f(greater)i(than)f(or)630 2287 y(equal)31
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 b(to)g(zero,)g(the)g(shell)g(disables)f(mail)h(c)m(hec)m(king.)150
-2444 y Ft(MAPFILE)144 b Fu(An)35 b(arra)m(y)h(v)-5 b(ariable)36
+2491 y Ft(MAPFILE)144 b Fu(An)35 b(arra)m(y)h(v)-5 b(ariable)36
 b(created)g(to)h(hold)e(the)g(text)i(read)e(b)m(y)g(the)h
-Ft(mapfile)d Fu(builtin)i(when)630 2553 y(no)30 b(v)-5
-b(ariable)31 b(name)g(is)f(supplied.)150 2710 y Ft(OLDPWD)192
+Ft(mapfile)d Fu(builtin)i(when)630 2600 y(no)30 b(v)-5
+b(ariable)31 b(name)g(is)f(supplied.)150 2765 y Ft(OLDPWD)192
 b Fu(The)30 b(previous)g(w)m(orking)g(directory)h(as)g(set)g(b)m(y)f
-(the)h Ft(cd)e Fu(builtin.)150 2866 y Ft(OPTERR)192 b
+(the)h Ft(cd)e Fu(builtin.)150 2929 y Ft(OPTERR)192 b
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 (error)f(messages)i(generated)g(b)m(y)f(the)g Ft(getopts)630
-2976 y Fu(builtin)30 b(command.)150 3133 y Ft(OSTYPE)192
+3039 y Fu(builtin)30 b(command.)150 3203 y Ft(OSTYPE)192
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-(is)h(running)d(on.)150 3289 y Ft(PIPESTATUS)630 3399
+(is)h(running)d(on.)150 3367 y Ft(PIPESTATUS)630 3477
 y Fu(An)23 b(arra)m(y)h(v)-5 b(ariable)24 b(\(see)h(Section)f(6.7)h
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-(sta-)630 3508 y(tus)h(v)-5 b(alues)27 b(from)e(the)h(pro)s(cesses)g
+(sta-)630 3587 y(tus)h(v)-5 b(alues)27 b(from)e(the)h(pro)s(cesses)g
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-3618 y(\(whic)m(h)30 b(ma)m(y)h(con)m(tain)h(only)f(a)f(single)h
-(command\).)150 3774 y Ft(POSIXLY_CORRECT)630 3884 y
+3696 y(\(whic)m(h)30 b(ma)m(y)h(con)m(tain)h(only)f(a)f(single)h
+(command\).)150 3861 y Ft(POSIXLY_CORRECT)630 3970 y
 Fu(If)h(this)g(v)-5 b(ariable)34 b(is)e(in)g(the)h(en)m(vironmen)m(t)g
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-3994 y Fu(mo)s(de)46 b(\(see)h(Section)g(6.11)g([Bash)g(POSIX)e(Mo)s
+4080 y Fu(mo)s(de)46 b(\(see)h(Section)g(6.11)g([Bash)g(POSIX)e(Mo)s
 (de],)50 b(page)d(101\))h(b)s(efore)e(reading)g(the)630
-4103 y(startup)38 b(\014les,)j(as)e(if)g(the)g Ft(--posix)d
+4189 y(startup)38 b(\014les,)j(as)e(if)g(the)g Ft(--posix)d
 Fu(in)m(v)m(o)s(cation)41 b(option)e(had)f(b)s(een)g(supplied.)64
-b(If)39 b(it)g(is)630 4213 y(set)31 b(while)f(the)h(shell)f(is)h
+b(If)39 b(it)g(is)630 4299 y(set)31 b(while)f(the)h(shell)f(is)h
 (running,)e(Bash)h(enables)h Fm(posix)f Fu(mo)s(de,)g(as)g(if)h(the)f
-(command)870 4346 y Ft(set)47 b(-o)g(posix)630 4479 y
+(command)870 4436 y Ft(set)47 b(-o)g(posix)630 4573 y
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 h Fm(posix)f Fu(mo)s(de,)h(it)g(sets)g(this)g(v)-5 b(ariable)34
-b(if)630 4589 y(it)d(w)m(as)g(not)f(already)h(set.)150
-4745 y Ft(PPID)288 b Fu(The)30 b(pro)s(cess)g Fm(id)g
+b(if)630 4682 y(it)d(w)m(as)g(not)f(already)h(set.)150
+4847 y Ft(PPID)288 b Fu(The)30 b(pro)s(cess)g Fm(id)g
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-b(v)-5 b(ariable)31 b(is)f(readonly)-8 b(.)150 4902 y
-Ft(PROMPT_COMMANDS)630 5011 y Fu(If)38 b(this)g(arra)m(y)h(v)-5
-b(ariable)39 b(is)f(set,)j(the)e(v)-5 b(alue)39 b(of)f(eac)m(h)h(set)g
-(elemen)m(t)h(is)e(in)m(terpreted)h(as)g(a)630 5121 y(command)31
-b(to)g(execute)h(b)s(efore)e(prin)m(ting)h(the)g(primary)f(prompt)g(\()
-p Ft($PS1)p Fu(\).)41 b(If)30 b(this)h(is)g(not)630 5230
-y(set,)36 b(but)e Ft(PROMPT_COMMAND)d Fu(is)j(set)h(to)h(a)f(v)-5
-b(alue,)36 b(its)f(v)-5 b(alue)35 b(is)f(used)g(as)h(a)g(command)f(to)
-630 5340 y(execute)e(instead.)p eop end
+b(v)-5 b(ariable)31 b(is)f(readonly)-8 b(.)150 5011 y
+Ft(PROMPT_COMMAND)630 5121 y Fu(If)23 b(this)h(v)-5 b(ariable)24
+b(is)g(set,)i(and)d(is)h(an)f(arra)m(y)-8 b(,)27 b(the)d(v)-5
+b(alue)24 b(of)g(eac)m(h)g(set)h(elemen)m(t)g(is)f(in)m(terpreted)630
+5230 y(as)29 b(a)g(command)f(to)i(execute)g(b)s(efore)e(prin)m(ting)h
+(the)g(primary)f(prompt)f(\()p Ft($PS1)p Fu(\).)40 b(If)28
+b(this)h(is)630 5340 y(set)c(but)f(not)g(an)h(arra)m(y)g(v)-5
+b(ariable,)26 b(its)f(v)-5 b(alue)25 b(is)f(used)g(as)h(a)f(command)g
+(to)i(execute)f(instead.)p eop end
 %%Page: 83 89
 TeXDict begin 83 88 bop 150 -116 a Fu(Chapter)30 b(5:)41
 b(Shell)30 b(V)-8 b(ariables)2459 b(83)150 299 y Ft(PROMPT_DIRTRIM)630
@@ -21260,33 +21260,34 @@ g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g
 (:)g(:)g(:)32 b Fb(82)150 758 y Fe(PPID)11 b Fc(:)j(:)f(:)g(:)h(:)f(:)g
 (:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)
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-(:)h(:)25 b Fb(82)150 846 y Fe(PROMPT_COMMANDS)17 b Fc(:)g(:)c(:)g(:)g
-(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)
-h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)32 b Fb(82)150 933 y
-Fe(PROMPT_DIRTRIM)23 b Fc(:)13 b(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)
-g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h(:)f
-(:)g(:)g(:)34 b Fb(83)150 1020 y Fe(PS0)14 b Fc(:)f(:)h(:)f(:)g(:)g(:)g
-(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)
-h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f
-(:)g(:)g(:)28 b Fb(83)150 1107 y Fe(PS1)14 b Fc(:)f(:)h(:)f(:)g(:)g(:)g
-(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)
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-(:)g(:)g(:)28 b Fb(73)150 1194 y Fe(PS2)14 b Fc(:)f(:)h(:)f(:)g(:)g(:)g
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-(:)g(:)g(:)28 b Fb(73)150 1281 y Fe(PS3)14 b Fc(:)f(:)h(:)f(:)g(:)g(:)g
-(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)
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-(:)g(:)g(:)28 b Fb(83)150 1369 y Fe(PS4)14 b Fc(:)f(:)h(:)f(:)g(:)g(:)g
-(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)
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-(:)g(:)g(:)28 b Fb(83)150 1456 y Fe(PWD)14 b Fc(:)f(:)h(:)f(:)g(:)g(:)g
-(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)
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-(:)g(:)g(:)28 b Fb(83)146 1689 y Fs(R)150 1804 y Fe(RANDOM)6
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+(:)h(:)25 b Fb(82)150 846 y Fe(PROMPT_COMMAND)e Fc(:)13
+b(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g
+(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)34
+b Fb(82)150 933 y Fe(PROMPT_DIRTRIM)23 b Fc(:)13 b(:)g(:)g(:)g(:)h(:)f
+(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)
+g(:)g(:)g(:)h(:)f(:)g(:)g(:)34 b Fb(83)150 1020 y Fe(PS0)14
+b Fc(:)f(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)
+h(:)f(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g
+(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)28 b Fb(83)150
+1107 y Fe(PS1)14 b Fc(:)f(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g
+(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)
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+b Fb(73)150 1194 y Fe(PS2)14 b Fc(:)f(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h
+(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)
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+b Fb(73)150 1281 y Fe(PS3)14 b Fc(:)f(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h
+(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)
+g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)28
+b Fb(83)150 1369 y Fe(PS4)14 b Fc(:)f(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h
+(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)
+g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)28
+b Fb(83)150 1456 y Fe(PWD)14 b Fc(:)f(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h
+(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)
+g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)28
+b Fb(83)146 1689 y Fs(R)150 1804 y Fe(RANDOM)6 b Fc(:)15
+b(:)e(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f
+(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)
+g(:)g(:)g(:)h(:)f(:)20 b Fb(83)150 1892 y Fe(READLINE_LINE)25
 b Fc(:)13 b(:)h(:)f(:)g(:)g(:)g(:)g(:)g(:)g(:)h(:)f(:)g(:)g(:)g(:)g(:)g
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 b Fb(83)150 1979 y Fe(READLINE_MARK)25 b Fc(:)13 b(:)h(:)f(:)g(:)g(:)g
@@ -105,7 +105,7 @@
 \entry{PIPESTATUS}{82}{\code {PIPESTATUS}}
 \entry{POSIXLY_CORRECT}{82}{\code {POSIXLY_CORRECT}}
 \entry{PPID}{82}{\code {PPID}}
-\entry{PROMPT_COMMANDS}{82}{\code {PROMPT_COMMANDS}}
+\entry{PROMPT_COMMAND}{82}{\code {PROMPT_COMMAND}}
 \entry{PROMPT_DIRTRIM}{83}{\code {PROMPT_DIRTRIM}}
 \entry{PS0}{83}{\code {PS0}}
 \entry{PS3}{83}{\code {PS3}}
@@ -156,7 +156,7 @@
 \entry{\code {PIPESTATUS}}{82}
 \entry{\code {POSIXLY_CORRECT}}{82}
 \entry{\code {PPID}}{82}
-\entry{\code {PROMPT_COMMANDS}}{82}
+\entry{\code {PROMPT_COMMAND}}{82}
 \entry{\code {PROMPT_DIRTRIM}}{83}
 \entry{\code {PS0}}{83}
 \entry{\code {PS1}}{73}
@@ -1,6 +1,6 @@
 %!PS-Adobe-3.0
 %%Creator: groff version 1.22.4
-%%CreationDate: Fri Aug  7 11:58:10 2020
+%%CreationDate: Mon Sep  7 09:52:16 2020
 %%DocumentNeededResources: font Times-Roman
 %%+ font Times-Bold
 %%+ font Times-Italic
@@ -1,6 +1,6 @@
 %!PS-Adobe-3.0
 %%Creator: groff version 1.22.4
-%%CreationDate: Fri Aug  7 11:58:10 2020
+%%CreationDate: Mon Sep  7 09:52:16 2020
 %%DocumentNeededResources: font Times-Roman
 %%+ font Times-Bold
 %%DocumentSuppliedResources: procset grops 1.22 4
@@ -3271,6 +3271,9 @@ _rl_update_final (void)
 {
  int full_lines, woff, botline_length;

+  if (line_structures_initialized == 0)
+    return;
+
  full_lines = 0;
  /* If the cursor is the only thing on an otherwise-blank last line,
     compensate so we don't print an extra CRLF. */
@@ -1592,8 +1592,17 @@ get_histcmd (var)
     SHELL_VAR *var;
 {
  char *p;
+  int n;

-  p = itos (history_number ());
+  /* Do the same adjustment here we do in parse.y:prompt_history_number,
+     assuming that we are in one of two states: decoding this as part of
+     the prompt string, in which case we do not want to assume that the
+     command has been saved to the history and the history number incremented,
+     or the expansion is part of the current command being executed and has
+     already been saved to history and the history number incremented.
+     Right now we use EXECUTING as the determinant. */
+  n = history_number () - executing;
+  p = itos (n);
  FREE (value_cell (var));
  var_setvalue (var, p);
  return (var);