Encode and decode URI strings with Ruby.

uri.rb

#!/usr/bin/env ruby
require 'uri'
pb = ( (/darwin/ =~ RUBY_PLATFORM) != nil ? true : false )

## Get Options
if ARGV[0] == "-h"
  puts "#{$0} -e [STRING] (Encode String)"
  puts "#{$0} -d [STRING] (Decode String)"
  exit 0
end
decode = ( ARGV[0] == "-d" ? true : false )
encode = ( ARGV[0] == "-e" ? true : false )
encode = true if encode == false && decode == false

## Get String
string = ARGV[1]
string ||= `pbpaste` if pb
string ||= (print "Srting to manipulate: "; gets.chomp)

## Manipulate String
result = URI.decode_www_form_component(string).strip                  if decode
result = URI.encode_www_form_component(string).gsub("+", "%20").strip if encode

## Print Results To Screen And Pastboard
puts result
exec("echo '#{result}' | pbcopy") if pb

Run with:

ruby <( curl -fsSkL https://gist.github.com/redperadot/9788400/raw/uri.rb )