implement unset semantics as required by POSIX

This commit is contained in:
Mike Frysinger
2009-03-30 06:50:54 +00:00
parent 5f9f1506ad
commit d690f68554
3 changed files with 92 additions and 7 deletions

View File

@@ -0,0 +1,36 @@
# check invalid options are rejected
unset -
echo $?
unset -m a b c
echo $?
# check funky usage
unset
echo $?
# check normal usage
echo ___
f=f g=g
echo $? $f $g
unset f
echo $? $f $g
unset g
echo $? $f $g
echo ___
f=f g=g
echo $? $f $g
unset f g
echo $? $f $g
f=f g=g
echo $? $f $g
unset -v f g
echo $? $f $g
# check read only vars
echo ___
f=f g=g
unset HUSH_VERSION
echo $? $f $g
unset f HUSH_VERSION g
echo $? $f $g