fml.sh

#!/bin/bash

function clean {
    echo "cleaning keystone-signing-${1}*"
    ionice -c3 rm -rf /tmp/keystone-signing-${1}*
}

for dir in {a..z}; do
    clean ${dir}
    sleep 1
done
for dir in {A..Z}; do
    clean ${dir}
    sleep 1
done
for dir in {0..9}; do
    clean ${dir}
    sleep 1
done
clean "_"