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Diffstat (limited to 'doc/bashref.texi~')
| -rw-r--r-- | doc/bashref.texi~ | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/doc/bashref.texi~ b/doc/bashref.texi~ index 2e37ff11..3f60390b 100644 --- a/doc/bashref.texi~ +++ b/doc/bashref.texi~ @@ -16,7 +16,7 @@ This is Edition @value{EDITION}, last updated @value{UPDATED}, of @cite{The GNU Bash Reference Manual}, for @code{Bash}, Version @value{VERSION}. -Copyright @copyright{} 1988--2008 Free Software Foundation, Inc. +Copyright @copyright{} 1988--2009 Free Software Foundation, Inc. Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice @@ -275,6 +275,7 @@ Also referred to as an @code{identifier}. @cindex operator, shell A @code{control operator} or a @code{redirection operator}. @xref{Redirections}, for a list of redirection operators. +Operators contain at least one unquoted @code{metacharacter}. @item process group @cindex process group @@ -308,12 +309,13 @@ A shell builtin command that has been classified as special by the @item token @cindex token -A sequence of characters considered a single unit by the shell. It is -either a @code{word} or an @code{operator}. +A sequence of characters considered a single unit by the shell. +It is either a @code{word} or an @code{operator}. @item word @cindex word -A @code{token} that is not an @code{operator}. +A sequence of characters treated as a unit by the shell. +Words may not include unquoted @code{metacharacters}. @end table @node Basic Shell Features @@ -2532,6 +2534,10 @@ commands that are invoked as part of a pipeline are also executed in a subshell environment. Changes made to the subshell environment cannot affect the shell's execution environment. +Subshells spawned to execute command substitutions inherit the value of +the @option{-e} option from the parent shell. When not in @sc{posix} mode, +Bash clears the @option{-e} option in such subshells. + If a command is followed by a @samp{&} and job control is not active, the default standard input for the command is the empty file @file{/dev/null}. Otherwise, the invoked command inherits the file descriptors of the calling |