module Guard::BustedUtils
General utils for the gem
Public Instance Methods
which(cmd)
click to toggle source
Cross-platform way of finding an executable in the $PATH.
which('ruby') #=> /usr/bin/ruby https://stackoverflow.com/a/5471032/4983981
# File lib/guard/busted/utils.rb, line 10 def 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