#!/bin/sh OFF="$1" UNIT="$2" OUTPUT_FROM_DF_AND_AWK=$(free -m | awk 'IF NR == 2 {print $4"%s%s"$2"%s\n"}') for LINE in $OUTPUT_FROM_DF_AND_AWK do printf $LINE "$UNIT" "$OFF" "$UNIT";echo " "; done
peter@E5410:~$ memory.sh " av " "MB" 2643MB av 7799MB