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implement unset semantics as required by POSIX

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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
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19
shell/hush_test/hush-vars/unset.right Normal file
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hush: unset: -: invalid option
1
hush: unset: -m: invalid option
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0
___
0 f g
0 g
0
___
0 f g
0
0 f g
0
___
hush: HUSH_VERSION: readonly variable
1 f g
hush: HUSH_VERSION: readonly variable
1

36
shell/hush_test/hush-vars/unset.tests Executable file
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# 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