if (File.fs == "Windows" ) { var myUserName = $.getenv('username'); var mySysName = $.getenv('computername'); } else if (File.fs == "Macintosh") { var myUserName = $.getenv('USER'); var mySysName = app.doScript('do shell script "hostname"', ScriptLanguage.APPLESCRIPT_LANGUAGE); } $.writeln( myUserName +"\r"+ mySysName );