批量md5校验(md5sum)

#!/bin/sh

if [ 2 -ne $# ] ; then
        echo "Usage: $0 Dir File(include md5 info)"
        exit
fi

if [ -f "$1" ] ; then
        echo "$1 is file,Please input Dir"
        echo "Usage: $0 Dir File(include md5 info)"
        exit
fi

if [ -d "$2" ] ; then
        echo "$2 is Dir,Please input file(include md5 info)"
        echo "Usage: $0 Dir File(include md5 info)"
        exit
fi

CheckDir()
{
        if [ -d "$MediaCheckDir" ] ; then

                echo "Please waiting"
                echo "Check $MediaCheckDir"

                for list in `find $MediaCheckDir`
                do
                        if [ -f "$list" ] ; then
                                echo "Check file $list"

                                field=`echo $list | perl -0ne 'print s/\///g'`
                                field=`expr $field + 1`
                                file=`echo $list | cut -d'/' -f$field`

                                md5Result=`md5sum $list | cut -d' ' -f1`
                                checkResult=`cat $MD5Filelist | grep $file | grep $md5Result`

                                if [ -z "$checkResult" ] ; then
                                        DLNAMediaMD5=`cat $MD5Filelist | grep $file`
                                        echo "checkResult                       failed: $file" >> $savefile
                                        echo "md5Result=$md5Result" >> $savefile
                                        echo "DLNAMediaMD5=$DLNAMediaMD5" >> $savefile
                                        echo "---------------------------------------------------------------------" >> $savefile
                                else
                                        echo "checkResult success"
                                fi
                        fi
                done

                echo "Process over!"
        else
                echo "$MediaCheckDir is file!"
        fi

}


BaseDir=$PWD
savefile="$BaseDir/Fail_filelist_log"

case $1 in
/*)
        MediaCheckDir=$1
        ;;
*)
        MediaCheckDir="$BaseDir/$1"
        ;;
esac

case $2 in
/*)
        MD5Filelist=$2
        ;;
*)
        MD5Filelist="$BaseDir/$2"
        ;;
esac

rm -rf $savefile
CheckDir
echo "------Checked failed Result:$savefile------"

来源：https://www.cnblogs.com/blueoceanli/archive/2009/01/06/1370384.html