#!/bin/bash cat df.fake | tail -n+2 | while read X;do size=`echo $X | awk -F" " '{print $2}'| sed s/M//g` usage=`echo $X | awk -F" " '{print $5}' | sed s/%//g` name=`echo $X | awk -F" " '{print $6}'` #printf ${size}" "${usage}" "${name}"\n" if test $size -lt 1024 || test $usage -gt 80;then echo $name fi done