#!/bin/bash cd VirtualBox-5.2.10/out/linux.amd64/debug/bin FILES=`ls | grep 20..-.*\.log` for i in $FILES; do sudo chmod 666 $i echo "Cleaning" $i > $i done echo "" if [[ $(cat $FILES | wc -l) -eq "0" ]]; then echo "Cleaning done!" else echo "Cleaning failed!" fi