code: function bin (argv) {
    program.version(pkg.version)
    .usage('[options] <sourceURI> <destURI>')
    .parse(argv)
  
    var sourceURI = program.args[0]
    var destURI = program.args[1]
  
    if (!sourceURI || !destURI) {
      program.help()
    }
  
    shell.mv(sourceURI, destURI, function (err, res, uri) {
      if (!err) {
        debug(res)
      } else {
        console.error(err)
      }
    })
  }
docs: mv as a command.
  @param {Array} argv Arguments