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| author | Paul Eggert <eggert@cs.ucla.edu> | 2004-09-06 01:03:20 +0000 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2004-09-06 01:03:20 +0000 |
| commit | ac161f59f7a20b245107d0ccd0fc570943871f3d (patch) | |
| tree | b161a52d401dd9fd67f1264ff49245aea52353b3 /doc | |
| parent | 3427d5c60c7edd57641c052ca6d86afa9ecaa360 (diff) | |
| download | coreutils-ac161f59f7a20b245107d0ccd0fc570943871f3d.tar.xz | |
(String tests): Improve quality of warning about
quoting strings for the shell.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/coreutils.texi | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi index 531298d26..7033d15a8 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -9553,9 +9553,15 @@ numbers, i.e., if they are hard links to each other. @cindex string tests -These options test string characteristics. Strings are not quoted for -@command{test}, though you may need to quote them to protect characters -with special meaning to the shell, e.g., spaces. +These options test string characteristics. You may need to quote +@var{string} arguments for the shell. For example: + +@example +test -n "$V" +@end example + +The quotes here prevent the wrong arguments from being passed to +@command{test} if @samp{$V} is empty or contains special characters. @table @samp |