source: vendor/bash/3.1-p17/tests/misc/perftest

# originally from Mike Haertel
foo() { case $1 in a*) ;; *) ;; esac ;}
bar() { case $1 in [abc]*) ;; *);; esac ;}
baz() { case $1 in xyzzy) ;; *) ;; esac ;}
for x in /usr/lib/*/*
do
        foo $x
        bar $x
        baz $x
done