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node-get-file.js

#!/usr/bin/env node

var path = require('path'),
    url = require('url'),
    sys = require('sys'),
    get = require('node-get');

var usage = 'usage:\n  node-get.js <file> <destination>';

Guessing destination filenames wget-style has never been very robust, so require users to specify them.

var obj = process.ARGV[2];
var dest = process.ARGV[3];
if (!(obj && dest)) {
   console.log(usage);
   process.exit(1);
}

Initialize the download.

var download = new get({
    uri: obj
});

Download to disk.

download.toDisk(dest, function(err, filename) {

Print both errors and debugging messages to stderr so that eventual piping is succesfull

    if (err) {
        sys.err(err);
    } else {
        sys.debug('Downloaded to ' + filename);
    }
});