diff options
| author | P. J. McDermott <pjm@nac.net> | 2012-09-08 17:58:02 (EDT) |
|---|---|---|
| committer | P. J. McDermott <pjm@nac.net> | 2012-09-08 17:58:02 (EDT) |
| commit | f51a642dd3bd46d3254c8ac07bcfadf0b7b9ddc2 (patch) | |
| tree | 76b84cffcadf8034c8d0fce4b031893819f28659 /lib/common.sh | |
| parent | dbb1d617f03dd47c4cb4235f937e7560c3a0fd86 (diff) | |
Make sure that _ob_return only unsets variables.
According to POSIX.1-2008, some conformant shells might try to unset a
function if:
1. Neither -f nor -v is specified and
2. A variable by a specified name does not exist.
Diffstat (limited to 'lib/common.sh')
| -rw-r--r-- | lib/common.sh | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/common.sh b/lib/common.sh index a11d6e4..73293d7 100644 --- a/lib/common.sh +++ b/lib/common.sh @@ -31,7 +31,7 @@ _ob_local() _ob_return() { # Unset the variables at the top of the stack. - unset ${_OB_STACK_VARS##*|} + unset -v ${_OB_STACK_VARS##*|} # Pop the variable list from the top of the stack. _OB_STACK_VARS="${_OB_STACK_VARS%|*}" |