Script for moving movie files

movie_move.sh

#!/bin/bash
#
# Usage: filestodirs directory_name
#
# Moves all files in the specified directory into
# subdirectories of the same name, minus the file
# extension.

if [ $# -ne 1 ]; then
    echo "Usage: ./filestodirs directory_name"
    exit 1
fi

cd $1

IFS=$'\n'

for file in `ls -1`
do
    dirname=`echo "$file" | sed 's/\s([0-9]\+).*//'
    filename=`echo "$file" | sed 's/\s([0-9]\+)//'
    mkdir "$dirname"
    mv "$file" "$dirname"/"$filename"
done

exit 0