lib/pacproxy/util.rb
require 'pacproxy'
module Pacproxy
# Pacproxy::PacUtil is utility
class Util
def self.which(cmd)
exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : ['']
ENV['PATH'].split(File::PATH_SEPARATOR).each do |path|
exts.each do |ext|
exe = File.join(path, "#{cmd}#{ext}")
return exe if File.executable?(exe) && !File.directory?(exe)
end
end
nil
end
end
end