Top Level Namespace

Defined Under Namespace

Modules: Qdumpfs, QdumpfsFind, QdumpfsUtils Classes: File

Instance Method Summary collapse

Instance Method Details

#which(cmd) ⇒ Object

stackoverflow.com/questions/2108727/which-in-ruby-checking-if-program-exists-in-path-from-ruby Cross-platform way of finding an executable in the $PATH.

which('ruby') #=> /usr/bin/ruby



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# File 'lib/qdumpfs/util.rb', line 13

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

#windows? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/qdumpfs/win32.rb', line 3

def windows?
  /mswin32|cygwin|mingw|bccwin/.match(RUBY_PLATFORM)
end

#wprintf(format, *args) ⇒ Object 



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# File 'lib/qdumpfs/util.rb', line 5

def wprintf(format, *args)
  STDERR.printf("pdumpfs: " + format + "\n", *args)
end