Compress video folder

compress_video_folder.sh

#!/bin/bash

if [[ ! $1 ]]; then
    echo "directory path is required"
    exit 1
fi

dir_path=$1

# remove last '/' if needed
if [ "${$dir_path: -1}" == "/" ]; then
    dir_path=${dir_path%?}
fi

mkdir $dir_path-compressed

for filename in $(ls $dir_path); do
    original_file_path=$dir_path/$filename
    result_file_path=$dir_path-compressed/$filename

    if [ ! -e $result_file_path ]; then
        ffmpeg -i $original_file_path $result_file_path
    fi
done