BSD

md5sum

#!/bin/bash

# BSD Wrapper for md5
# Kenneth Burgener <kenneth@oeey.com> (2013)

check=false
checkfile=

while getopts "c:" Option
do
    case $Option in
        c )
            checkfile=$OPTARG
            check=true
            #echo "check file: $checkfile"
            ;;
        * )  echo "Unimplemented option chosen."
            ;;
    esac
done
shift $(($OPTIND - 1))

if $check ; then
    RC=0
    #echo "checking $checkfile..."
    while read line ; do
        csum=`echo $line | awk '{print $1}'`
        cfile=`echo $line | awk '{print $2}'`
        sum=`md5 -q $cfile`
        #sum=`echo $sum | awk '{print $1}'`
        if [ "$csum" == "$sum" ] ; then
            echo "$cfile: OK"
        else
            echo "$cfile: FAILED"
            RC=1
        fi
    done < $checkfile
    exit $RC
else
    while true ; do
        if [ "$1" == "" ] ; then
            exit
        fi
        checkfile=$1
        #echo "check: $checkfile"
        #echo "calcing..."
        sum=`md5 -q "$checkfile"`
        echo "$sum  $checkfile"
        shift
    done
fi