Module: Utilities

Included in:
CommandLine_Exe
Defined in:
lib/utilities.rb

Class Method Summary collapse

Class Method Details

.which(cmd) ⇒ Object 



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# File 'lib/utilities.rb', line 4

def Utilities.which(cmd)
  exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : ['']
  ENV['PATH'].split(File::PATH_SEPARATOR).each do |path|
    exts.each { |ext|
      exe = File.join(path, "#{cmd}#{ext}")
      return exe if File.executable? exe
    }
  end
  return nil
end