Module: CheckInstalledMac

Defined in:
lib/check_installed_mac.rb

Class Method Summary collapse

Class Method Details

.check_for_installed(name) ⇒ Object

should output an error message…


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# File 'lib/check_installed_mac.rb', line 10

def self.check_for_installed name
 if name == 'mencoder'
   output = `mencoder --fail 2>&1`
   if output =~ /mencoder/i
     # success, it is installed
     return true
   else
     # fall through
   end
 end

 # check for the others generically

 command = {"gocr" => "gocr --help", "convert" => "convert --help", "ffmpeg" => "ffmpeg -version", "mplayer" => "mplayer"}[name]

 raise 'unknown ' + name unless command # sanity check

 unless system("/opt/rdp_project_local/bin/#{command} 1>/dev/null 2>&1")
    name = 'ImageMagick' if name == 'convert' # special case...
    puts 'lacking dependency! Please install ' + name + ' by installing the contrib pkg from the website'
    false
 else
   true
 end

end