hush: fix remaining known two bugs with IFS expansion. Closes 4027.

[oweals/busybox.git] / shell / hush_test / hush-misc / empty_args.tests

echo Null 0th arg:
""
echo $?
echo Null 1st arg:
# printf without args would print usage info
printf ""
echo $?
echo Null arg in exec:
exec printf ""