onelinelogger.js
function writeLogFile(file, line) {
     
    if (file === undefined || file === null) {
        return;
    }
    
    fs.appendFile(file, line + os.EOL, {}, function() {
        //
    });
}
function writeLogFile(file, line) {
     
    if (file === undefined || file === null) {
        return;
    }
    
    fs.appendFile(file, line + os.EOL, {}, function() {
        //
    });
}
function writeLogFile ( file , line ) { if ( file === undefined || file === null ) { return ; } fs . appendFile ( file , line + os . EOL , { } , function ( ) { // } ) ; }
Appends line to a file if Logger.file is specified.
Appends line to a file if Logger . file is specified .