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|
a()
{
x=$((x - 1))
return 5
}
b()
{
x=$((x - 1))
a
echo a returns $?
return 4
}
c()
{
x=$((x - 1))
b
echo b returns $?
return 3
}
d()
{
x=$((x - 1))
c
echo c returns $?
return 2
}
e()
{
d
echo d returns $?
echo in e
x=$((x - 1))
return $x
}
f()
{
e
echo e returned $?
echo x is $x
return 0
}
x=30
f
# make sure unsetting a local variable preserves the `local' attribute
f1()
{
local zz
zz=abcde
echo $zz
unset zz
zz=defghi
echo $zz
}
zz=ZZ
echo $zz
f1
echo $zz
unset -f f1
f1()
{
return 5
}
( f1 )
echo $?
unset -f f1
f1()
{
sleep 5
return 5
}
f1 &
wait
echo $?
unset -f f1
f1()
{
echo $AVAR
printenv AVAR
}
AVAR=AVAR
echo $AVAR
f1
AVAR=foo f1
echo $AVAR
unset -f f1
# make sure subshells can do a `return' if we're executing in a function
f1()
{
( return 5 )
status=$?
echo $status
return $status
}
f1
echo $?
declare -F f1 # should print just the name
declare -f f1 # should print the definition, too
# no functions should be exported, right?
declare -xF
declare -xf
|
