Find duplicate files for a given path

fdupes

#!/bin/bash

if [ "$1" == "" ]; then
    echo "Usage: $0 path"
    exit 1
fi

TEMPFILE="/tmp/fdupes_`cat /dev/urandom | head -c 1024 | cksum | awk '{print $1}'`"

find "$1" -type f -exec cksum '{}' ';' | sort > "$TEMPFILE"

cat "$TEMPFILE" | awk '{print $1 " " $2}' | uniq -d | while read LINE; do
    CHECKSUM=${LINE% *}
    SIZE=${LINE##* }

    echo "----- CKSUM=$CHECKSUM SIZE=$SIZE -----"
    grep "$CHECKSUM" "$TEMPFILE" | awk '{$1=$2=""; print $0}' | cut -b 3-
    echo ""
done

rm "$TEMPFILE"