Renamer for TV series name with structure "Series Name Season XX Episode XX Title"

renamer.sh

#!/bin/bash

seasonNo=$1
maxNo=$2

if [ "$#" -ne "2" ]; then
    echo "Illegal number of parameters"
    echo "Usage: $0 seasonNumber episodeNumber"
fi

for i in $(eval echo {1..$2})
do
    # to create dummies for tests:
    # touch "Nome serie Season $(printf "%02d" $1) Episode $(printf "%02d" $i) Titolo$i.avi"
    replaced=$(ls | grep "Season 0\?$1 Episode 0\?$i\ ")
    newName=$(printf "S%02dE%02d.avi" $1 $i)
    echo "Replacing $replaced with $newName"
    mv "$replaced" "$newName"
done