Error while running src myfile.js on ubuntu

please fine the trace given below

munish@munish-Vostro-1014:~$ sudo node scr myfile.js

module.js:340
    throw err;
          ^
Error: Cannot find module '/home/munish/scr'
    at Function.Module._resolveFilename (module.js:338:15)
    at Function.Module._load (module.js:280:25)
    at Function.Module.runMain (module.js:497:10)
    at startup (node.js:119:16)
    at node.js:901:3
