extractiso sh script

#!/bin/bash

SOURCE=$1
TARGET="${SOURCE%.*}"
LOG="$TARGET-Log.txt"

before="$(date +%s)"

mount -o loop "$SOURCE" /mnt/iso

rm -rf "/home/newiso/$TARGET/"

mkdir "/home/newiso/$TARGET/"

cp -v -a /mnt/iso/* "/home/newiso/$TARGET/" | awk -F '->' '{print $1}' >> "$LOG" 2>&1

umount /mnt/iso

after="$(date +%s)"
elapsed_seconds="$(expr $after - $before)"

echo -e "\n\n\n" >> "$LOG" 2>&1
echo JOB DONE IN : $(date -d "1970-01-01 $elapsed_seconds sec" +%H:%M:%S) >> "$LOG" 2>&1

FULLPATH=$0
FILENAME=${FULLPATH##*/}

mail -s "$FILENAME - $TARGET" some@mail.com < "$LOG"

sleep 5

rm "$LOG"