diff options
| author | Jilles Tjoelker <jilles@FreeBSD.org> | 2011-04-15 15:26:05 +0000 |
|---|---|---|
| committer | Jilles Tjoelker <jilles@FreeBSD.org> | 2011-04-15 15:26:05 +0000 |
| commit | 9638724dc859120ddc58133b3bc26029e30fe30e (patch) | |
| tree | cb5de2aa98ea2050434434e54fc53e3a7b8e3fd5 /tools | |
| parent | 149cf1e03bdbad6596667fd7b2ee3ef56fa00fb9 (diff) | |
| download | src-9638724dc859120ddc58133b3bc26029e30fe30e.tar.gz src-9638724dc859120ddc58133b3bc26029e30fe30e.zip | |
sh: Add test for obscure and ambiguous ${#?}.
Notes
Notes:
svn path=/head/; revision=220655
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/regression/bin/sh/expansion/length4.0 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/regression/bin/sh/expansion/length4.0 b/tools/regression/bin/sh/expansion/length4.0 new file mode 100644 index 000000000000..5348be511379 --- /dev/null +++ b/tools/regression/bin/sh/expansion/length4.0 @@ -0,0 +1,11 @@ +# $FreeBSD$ + +# The construct ${#?} is ambiguous in POSIX.1-2008: it could be the length +# of $? or it could be $# giving an error in the (impossible) case that it +# is not set. +# We use the former interpretation; it seems more useful. + +: +[ "${#?}" = 1 ] || echo '${#?} wrong' +(exit 42) +[ "${#?}" = 2 ] || echo '${#?} wrong' |