JavaScript code to execute Dean Edwards packer script with Rhyno from ANT

gistfile1.js

/**
 * code by Ioseb Dzmanashvili http://www.code.ge
 * MIT License
 */

output = java.io.FileWriter(arguments[1]);  //obtain FileWriter object
output.write(
    pack(                                   //invoke Dean Edward's packer function
        readFile(                           //read input file: http://www.mozilla.org/rhino/shell.html
            arguments[0]                    //input file path
        ),             
        62,                                 //base62 encode
        0                                   //shrink variable names?
    )
);
output.close();
print('completed...');