tar-handles-multiple-x-options

arm9200t上的一个叫busybox的东西

# FEATURE: CONFIG_FEATURE_TAR_FROM
# FEATURE: CONFIG_FEATURE_TAR_CREATE
touch foo
touch bar
tar cf foo.tar foo bar
echo foo > foo.exclude
echo bar > bar.exclude
rm foo bar
busybox tar xf foo.tar -X foo.exclude -X bar.exclude
test ! -f foo -a ! -f bar