Shell script to open the folder of a file url

openurl.sh

#!/bin/bash

# installation: 
# ~$: mv openurl.sh /usr/local/bin/openurl
# ~$: chmod +x /usr/local/bin/openurl
#
# usage: openurl file:///Users/user01/Documents/Workspace/project%201/index.html
#
# credits: urlencode and urldecode copied from https://gist.github.com/cdown/1163649

if [[ -z "$1" ]]
then
    echo "usage: usage: openurl \"file:///Users/user01/Documents/Workspace/project%201/index.html\""
    exit 1
fi

urlencode() {
    # urlencode <string>
 
    local length="${#1}"
    for (( i = 0; i < length; i++ )); do
        local c="${1:i:1}"
        case $c in
            [a-zA-Z0-9.~_-]) printf "$c" ;;
            *) printf '%%%02X' "'$c"
        esac
    done
}
 
urldecode() {
    # urldecode <string>
 
    local url_encoded="${1//+/ }"
    printf '%b' "${url_encoded//%/\x}"
}

url=$1
url=${url/file\:\/\//}
url=`urldecode "$url"`
url=${url/`basename "$url"`/}

# debug
# echo $url

open "$url"

exit 0