#!/bin/bash
DIR=/var/spool/asterisk/voicemail/default/
for f in $(ls $DIR); do
    if [ -e $DIR/$f/Old ]; then
        chmod g+w $DIR/$f/Old
        echo updated $f/Old
    else
        echo No Old folder for $f
    fi
    if [ -e $DIR/$f/INBOX ]; then
        chmod g+w $DIR/$f/INBOX
        echo updated $f/INBOX
    else
        echo No INBOX folder for $f
    fi
done