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author | Chet Ramey <chet.ramey@case.edu> | 2011-11-21 20:49:12 -0500 |
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committer | Chet Ramey <chet.ramey@case.edu> | 2011-11-21 20:49:12 -0500 |
commit | 89a92869e56aba4e4cab2d639c00a86f0545c862 (patch) | |
tree | e1cd4da50318af8ab1f3141d39d4b0b8e1e7c500 /doc | |
parent | 17345e5ad288f7543b77b23a25aa380eacc279f2 (diff) | |
download | bash-89a92869e56aba4e4cab2d639c00a86f0545c862.tar.gz |
Bash-4.0 patchlevel 38bash-4.0.38bash-4.0
Diffstat (limited to 'doc')
-rw-r--r-- | doc/bash.1 | 5 | ||||
-rw-r--r-- | doc/bashref.texi | 3 |
2 files changed, 5 insertions, 3 deletions
@@ -8257,9 +8257,10 @@ and group ids to be set to the real user and group ids. Exit after reading and executing one command. .TP 8 .B \-u -Treat unset variables as an error when performing +Treat unset variables and parameters other than the special +parameters "@" and "*" as an error when performing parameter expansion. If expansion is attempted on an -unset variable, the shell prints an error message, and, +unset variable or parameter, the shell prints an error message, and, if not interactive, exits with a non-zero status. .TP 8 .B \-v diff --git a/doc/bashref.texi b/doc/bashref.texi index 04178bc9..c310664c 100644 --- a/doc/bashref.texi +++ b/doc/bashref.texi @@ -4138,7 +4138,8 @@ and group ids to be set to the real user and group ids. Exit after reading and executing one command. @item -u -Treat unset variables as an error when performing parameter expansion. +Treat unset variables and parameters other than the special parameters +@samp{@@} or @samp{*} as an error when performing parameter expansion. An error message will be written to the standard error, and a non-interactive shell will exit. |