add proper error handling for all final exec calls

[hband-tools.git] / admin-tools / e2size

#!/bin/sh
tune2fs -l "$1" |\
        perl -ne '/^Block count:\s*(\d+)/ and $bc=$1;
        /^Block size:\s*(\d+)/ and $bs=$1;
        END { print $bs * $bc, " bytes\n"; }'