du cut tr send email notification overquota users in an old mail system linux accounts
Task : to email old users that they have exceeded 100m disk space The problem is that the folder where the user is deep inside 2 folders so "du" is used. tr is used to remove characters cut to get the coloumn http://stackoverflow.com/questions/11049748/how-to-cut-multiple-columns-from-several-files-and-print-the-ouput-to-different cd /backup/home/virtual du -m --max-depth=2 | tr './' ' ' | cut -d' ' -f 1,4 | while read space user do if [ $space -gt 100 ] then mail -s "Your account is using over 100MB Disk Space" $user <<MAIL $user: You are now using $space MB in your home directory. The only total amount of diskspace allowed is 100 MB. MAIL fi done