#!/bin/bash
### Matches and replaces the string, useful for season stuff for kodi
### MAKE SURE $file IS IN QUOTES
### look ahead look behind helped  "$matchstring(?=\d+)" matches only if numbers follow it
matchstring="Kyoukai_no_Kanata_-_"
replacestring="Kyoukai_no_Kanata_-_S01E"
input_filetype="mkv"
files_path="/media/user1/2TB-ORICO/#Videos/#Anime/Beyond The Boundary/[Unoffical-Batch][UTW] Kyoukai No Kanata - Beyond The Boundary [720p][MKV]/"

for file in "$files_path"*; do
echo $file
rename "s/$matchstring(?=\d+)/$replacestring/" "$file"
done