module MiniMagick::Utilities

@private

Public Instance Methods

tempfile(extension) { |tempfile| ... } click to toggle source
# File lib/mini_magick/utilities.rb, line 26
def tempfile(extension)
  Tempfile.new(["mini_magick", extension]).tap do |tempfile|
    tempfile.binmode
    yield tempfile if block_given?
    tempfile.close
  end
end
which(cmd) click to toggle source

Cross-platform way of finding an executable in the $PATH.

@example

MiniMagick::Utilities.which('ruby') #=> "/usr/bin/ruby"
# File lib/mini_magick/utilities.rb, line 15
def which(cmd)
  exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : ['']
  ENV.fetch('PATH').split(File::PATH_SEPARATOR).each do |path|
    exts.each do |ext|
      exe = File.join(path, "#{cmd}#{ext}")
      return exe if File.executable? exe
    end
  end
  nil
end