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commit bash-20200501 snapshot

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Chet Ramey
2020-05-04 10:28:06 -04:00
parent c6c7ae81bb
commit e33aa28191
10 changed files with 100 additions and 28 deletions
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doc/bashref.texi
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@@ -580,6 +580,7 @@ becomes the input of a second, in a loop or conditional construct, or in
some other grouping.
@menu
* Reserved Words:: Words that have special meaning to the shell.
* Simple Commands:: The most common type of command.
* Pipelines:: Connecting the input and output of several
commands.
@@ -589,6 +590,32 @@ some other grouping.
* GNU Parallel:: Running commands in parallel.
@end menu
@node Reserved Words
@subsection Reserved Words
@cindex reserved words
Reserved words are words that have special meaning to the shell.
They are used to begin and end the shell's compound commands.
The following words are recognized as reserved when unquoted and
the first word of a command (see below for exceptions):
@multitable @columnfractions .1 .1 .1 .1 .12 .1
@item @code{if} @tab @code{then} @tab @code{elif}
@tab @code{else} @tab @code{fi} @tab @code{time}
@item @code{for} @tab @code{in} @tab @code{until}
@tab @code{while} @tab @code{do} @tab @code{done}
@item @code{case} @tab @code{esac} @tab @code{coproc}
@tab @code{select} @tab @code{function}
@item @code{@{} @tab @code{@}} @tab @code{[[} @tab @code{]]} @tab @code{!}
@end multitable
@noindent
@code{in} is recognized as a reserved word if it is the third word of a
@code{case} or @code{select} command.
@code{in} and @code{do} are recognized as reserved
words if they are the third word in a @code{for} command.
@node Simple Commands
@subsection Simple Commands
@cindex commands, simple
@@ -7628,6 +7655,7 @@ with the exception that the following are disallowed or not performed:
Changing directories with the @code{cd} builtin.
@item
Setting or unsetting the values of the @env{SHELL}, @env{PATH},
@env{HISTFILE},
@env{ENV}, or @env{BASH_ENV} variables.
@item
Specifying command names containing slashes.
@@ -7635,6 +7663,9 @@ Specifying command names containing slashes.
Specifying a filename containing a slash as an argument to the @code{.}
builtin command.
@item
Specifying a filename containing a slash as an argument to the @code{history}
builtin command.
@item
Specifying a filename containing a slash as an argument to the @option{-p}
option to the @code{hash} builtin command.
@item