Find Mercurial repositories and print status

allstatus.rb

#!/usr/bin/env ruby -wKU

# Prints the directory names and hg status output for any Mercurial
# repositories where hg status returns something non-nil.
#
# Assumes everything is in a Projects directory in your home folder.
# 12/31/2011 Brent Simmons

require 'find'
require 'open3'

homeDirectory = ENV["HOME"]
projectsDirectory = homeDirectory + "/Projects"

Find.find(projectsDirectory) do |path|
    if File.basename(path) == '.hg'
        workingDirectory = File::dirname(path)
        Dir.chdir(workingDirectory)

        status = Open3.popen3("hg status")[1].read
        if status == "" then next end 

        print("\n#{workingDirectory}\n")
        print status
    end 
end