#!/bin/sh+− ###set -e+− +− trap "exit" INT+− +− files=${1:-assignment20188-*}+− +− for sd in $files; do+− cd $sd+− #echo $sd+− marksone=$(( `tail -1 output` ))+− markstwo=$(( `tail -1 output1` ))+− if [ "$marksone" != "$markstwo" ]; then+− echo $sd + "is different"+− fi+− cd ..+− done+− +− +−