#!/bin/bash

if [[ ! -r "$1" ]]; then
        echo "Cannot read file \"$1\""
        exit 1
fi
IFS=$'\n'
echo "$(cat "$1") \|  $(cat "$1" | rev)"

exit 0
roger@bleme:~/edducation/zmazat% cat lame
halo lo lo $(ls) voodoo
roger@bleme:~/edducation/zmazat% ./fun_rev.bash lame
halo lo lo $(ls) voodoo \|  oodoov )sl($ ol ol olah
roger@bleme:~/edducation/zmazat%