#!/bin/sh+− ###set -e+− +− trap "exit" INT+− +− files=${1:-assignment20188-*}+− +− for sd in $files; do+− cd $sd+− cp output output1+− #cmp -s output output1 > /dev/null+− #if [ $? -eq 1 ]; then+− # echo $sd + "is different"+− #fi+− cd ..+− done+− +− +−