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commit bash-20151204 snapshot
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Chet Ramey
+72
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@@ -3,7 +3,7 @@
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</HEAD>
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<BODY><TABLE WIDTH=100%>
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<TR>
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<TH ALIGN=LEFT width=33%>BASH(1)<TH ALIGN=CENTER width=33%>2015 October 11<TH ALIGN=RIGHT width=33%>BASH(1)
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<TH ALIGN=LEFT width=33%>BASH(1)<TH ALIGN=CENTER width=33%>2015 November 16<TH ALIGN=RIGHT width=33%>BASH(1)
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</TR>
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</TABLE>
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<BR><A HREF="#index">Index</A>
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@@ -1354,6 +1354,8 @@ of all characters within the quotes, with the exception of
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and, when history expansion is enabled,
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<B>!</B>.
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When the shell is in <I>posix mode</I>, the <B>!</B> has no special meaning
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within double quotes, even when history expansion is enabled.
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The characters
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<B>$</B>
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@@ -1870,8 +1872,14 @@ that do not require <B>bash</B> to be re-initialized.
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<DD>
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An associative array variable whose members correspond to the internal
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list of aliases as maintained by the <B>alias</B> builtin.
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Elements added to this array appear in the alias list; unsetting array
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elements cause aliases to be removed from the alias list.
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Elements added to this array appear in the alias list; however,
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unsetting array elements currently does not cause aliases to be removed
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from the alias list.
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If
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<B>BASH_ALIASES</B>
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is unset, it loses its special properties, even if it is
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subsequently reset.
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<DT><B>BASH_ARGC</B>
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<DD>
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@@ -1923,8 +1931,14 @@ builtin below)
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<DD>
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An associative array variable whose members correspond to the internal
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hash table of commands as maintained by the <B>hash</B> builtin.
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Elements added to this array appear in the hash table; unsetting array
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elements cause commands to be removed from the hash table.
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Elements added to this array appear in the hash table; however,
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unsetting array elements currently does not cause command names to be removed
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from the hash table.
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If
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<B>BASH_CMDS</B>
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is unset, it loses its special properties, even if it is
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subsequently reset.
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<DT><B>BASH_COMMAND</B>
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<DD>
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@@ -2551,7 +2565,7 @@ used when the shell is invoked in POSIX mode.
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<DT><B>EXECIGNORE</B>
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<DD>
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A colon-separated list of extended glob patterns (see <B>Pattern Matching</B>)
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A colon-separated list of shell patterns (see <B>Pattern Matching</B>)
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defining the list of filenames to be ignored by command search.
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Files whose full pathnames match one of these patterns are not considered
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executable files for the purposes of completion and command execution.
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@@ -2559,6 +2573,8 @@ This does not affect the behavior of the <B>[</B>, <B>test</B>, and <B>[[</B>
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commands.
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Use this variable to ignore shared library files that have the executable
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bit set, but are not executable files.
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The pattern matching honors the setting of the <B>extglob</B> shell
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option.
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<DT><B>FCEDIT</B>
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<DD>
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@@ -2683,6 +2699,8 @@ not tested, and are added to the history regardless of the value of
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<FONT SIZE=-1><B>HISTIGNORE</B>.
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</FONT>
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The pattern matching honors the setting of the <B>extglob</B> shell
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option.
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<DT><B>HISTSIZE</B>
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<DD>
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@@ -2960,6 +2978,15 @@ trailing directory components to retain when expanding the <B>\w</B> and
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</FONT>
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below). Characters removed are replaced with an ellipsis.
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<DT><B>PS0</B>
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<DD>
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The value of this parameter is expanded (see
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<FONT SIZE=-1><B>PROMPTING</B>
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</FONT>
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below) and displayed by interactive shells after reading a command
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and before the command is executed.
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<DT><B>PS1</B>
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<DD>
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@@ -4049,8 +4076,8 @@ or
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<B>Bash</B>
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performs the expansion by executing <I>command</I> and
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replacing the command substitution with the standard output of the
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performs the expansion by executing <I>command</I> in a subshell environment
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and replacing the command substitution with the standard output of the
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command, with any trailing newlines deleted.
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Embedded newlines are not deleted, but they may be removed during
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word splitting.
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@@ -4121,19 +4148,23 @@ prints a message indicating failure and no substitution occurs.
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<P>
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<I>Process substitution</I> is supported on systems that support named
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pipes (<I>FIFOs</I>) or the <B>/dev/fd</B> method of naming open files.
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<I>Process substitution</I> allows a process's input or output to be
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referred to using a filename.
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It takes the form of
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<B><(</B><I>list</I><B>)</B>
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or
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<B>>(</B><I>list</I><B>)</B>.
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The process <I>list</I> is run with its input or output connected to a
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<I>FIFO</I> or some file in <B>/dev/fd</B>. The name of this file is
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The process <I>list</I> is run asynchronously, and its input or output
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appears as a filename.
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This filename is
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passed as an argument to the current command as the result of the
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expansion. If the <B>>(</B><I>list</I><B>)</B> form is used, writing to
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expansion.
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If the <B>>(</B><I>list</I><B>)</B> form is used, writing to
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the file will provide input for <I>list</I>. If the
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<B><(</B><I>list</I><B>)</B> form is used, the file passed as an
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argument should be read to obtain the output of <I>list</I>.
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Process substitution is supported on systems that support named
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pipes (<I>FIFOs</I>) or the <B>/dev/fd</B> method of naming open files.
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<P>
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When available, process substitution is performed
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@@ -4191,10 +4222,12 @@ If
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</FONT>
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has a value other than the default, then sequences of
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the whitespace characters
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<B>space</B>
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<B>space</B>,
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<B>tab</B>,
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and
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<B>tab</B>
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<B>newline</B>
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are ignored at the beginning and end of the
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word, as long as the whitespace character is in the
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@@ -4387,6 +4420,8 @@ option is disabled when
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</FONT>
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is unset.
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The pattern matching honors the setting of the <B>extglob</B> shell
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option.
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<P>
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<B>Pattern Matching</B>
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@@ -4980,12 +5015,12 @@ The <I>word</I> undergoes
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brace expansion, tilde expansion, parameter and variable expansion,
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command substitution, arithmetic expansion, and quote removal.
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Pathname expansion and word splitting are not performed.
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The result is supplied as a single string to the command on its
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The result is supplied as a single string, with a newline appended,
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to the command on its
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standard input (or file descriptor <I>n</I> if <I>n</I> is specified).
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<A NAME="lbBQ"> </A>
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<H4>Duplicating File Descriptors</H4>
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<P>
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<P>
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The redirection operator
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@@ -6381,6 +6416,12 @@ when it is ready to read a command, and the secondary prompt
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when it needs more input to complete a command.
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<B>Bash</B>
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displays
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<B>PS0</B>
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after it reads a command but before executing it.
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<B>Bash</B>
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allows these prompt strings to be customized by inserting a number of
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backslash-escaped special characters that are decoded as follows:
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<DL COMPACT><DT><DD>
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@@ -9881,7 +9922,7 @@ invalid option is supplied or <I>n</I> indexes beyond the end
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of the directory stack.
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</DL>
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<DT><B>disown</B> [<B>-ar</B>] [<B>-h</B>] [<I>jobspec</I> ...]<DD>
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<DT><B>disown</B> [<B>-ar</B>] [<B>-h</B>] [<I>jobspec</I> ... | <I>pid</I> ... ]<DD>
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Without options, remove each
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<I>jobspec</I>
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@@ -12023,7 +12064,10 @@ If set,
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changes its behavior to that of version 3.2 with respect to
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locale-specific string comparison when using the <B>[[</B>
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conditional command's <B><</B> and <B>></B> operators (see previous item).
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conditional command's <B><</B> and <B>></B> operators (see previous item)
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and the effect of interrupting a command list.
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Bash versions 3.2 and earlier continue with the next command in the list
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after one terminates due to an interrupt.
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<DT><B>compat40</B>
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<DD>
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@@ -12303,6 +12347,12 @@ If set, <B>bash</B> will send
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</FONT>
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to all jobs when an interactive login shell exits.
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<DT><B>inherit_errexit</B>
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<DD>
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If set, command substitution inherits the value of the <B>errexit</B> option,
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instead of unsetting it in the subshell environment.
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This option is enabled when <I>posix mode</I> is enabled.
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<DT><B>interactive_comments</B>
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<DD>
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@@ -12690,7 +12740,7 @@ is
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the command
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<I>arg</I>
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is executed whenever a
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is executed whenever
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a pipeline (which may consist of a single simple
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command), a list, or a compound command returns a
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non-zero exit status,
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@@ -13416,7 +13466,7 @@ There may be only one active coprocess at a time.
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<HR>
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<TABLE WIDTH=100%>
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<TR>
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<TH ALIGN=LEFT width=33%>GNU Bash 4.4<TH ALIGN=CENTER width=33%>2015 October 11<TH ALIGN=RIGHT width=33%>BASH(1)
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<TH ALIGN=LEFT width=33%>GNU Bash 4.4<TH ALIGN=CENTER width=33%>2015 November 16<TH ALIGN=RIGHT width=33%>BASH(1)
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</TR>
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</TABLE>
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<HR>
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@@ -13522,6 +13572,6 @@ There may be only one active coprocess at a time.
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</DL>
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<HR>
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This document was created by man2html from bash.1.<BR>
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Time: 15 October 2015 10:10:58 EDT
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Time: 03 December 2015 13:58:28 EST
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</BODY>
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</HTML>
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