trimSouthEast.js

exports.trimSouthEast = function(files){
    /*
     * Trims the bottom and right edges
     */
     files.forEach(function(file, i){
        var origFile = __dirname + file;
        var tempFile1 = os.tmpDir() + 'image1_' +i+'.png';
        var tempFile2 = os.tmpDir() + 'image2_' +i+'.png';

        exec("convert "+file+" -gravity North -background white -splice 0x1  -background black -splice 0x1 -trim  +repage -chop 0x1 "+tempFile1,function(){
            exec("convert "+tempFile1+" -gravity West -background white -splice 1x0  -background black -splice 1x0 -trim  +repage -chop 1x0 "+tempFile2,function(){
                fs.readFile(tempFile2, function(newFile){
                    fs.writeFile(origFile, newFile);
                });
                
            });
        });


     });
};