Move a film file, leaving a symlink behind. Example: "Sample film (1992) [garbage text].mkv" to "$TARGET_FOLDER/Sample film (1992).mkv"

move-film-leaving-symlink-behind.sh

#!/bin/sh
FILE_PATH=$1
FILE_NAME=$(echo "$FILE_PATH" | sed 's:.*/::')
FILM_NAME=$(echo $FILE_NAME | sed 's/\[.*$//' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
FILE_EXTENSION="${FILE_NAME##*.}"
TARGET_FOLDER=/storage/films
TARGET_FILE_NAME=$(echo $FILM_NAME.$FILE_EXTENSION)
TARGET_PATH="$TARGET_FOLDER/$TARGET_FILE_NAME"

mv "$FILE_PATH" "$TARGET_PATH"
ln -s "$TARGET_PATH" "$FILE_PATH"