Generate shell script to clone all your repositories, or a configured subset of them from your GitHub Dashboard.

extract_clone_all_script.js

// Instructions:
// 1. Navigate to you GitHub dashboard, either (https://github.com or https://github.com/organizations/{org_name}
// 2. Click on "All repositories" or "Show N more repositories" to show all your repos
// 3. Open Firebug console, and paste this script. Optionally, change the options below
// 4. Run and have fun

var options = {
    origin: "all",          // can be: source, fork or all
    visibility: "all",      // can be: public, private or all
    showInNewWindow: true
};

console.clear();

// you can change the query to match 
var query = '#repo_listing li';

if(options.visibility != 'all')
    query += '.' + options.visibility

if(options.origin != 'all')
    query += '.' + options.origin;

// only private repos (you also need to comment the 

var urls = $(query + ' a').map(function(i,a) {
    return $(a).attr('href');
});

var str = "#!/bin/sh\n\n";

urls.map(function(i, u) {
    str += "echo Clonning " + u + "\n";
    str += "git clone https://github.com" + u + ".git ";
    str += u + "\n\n";
});

console.log(str);

if(options.showInNewWindow)
{
    var win = window.open('result');
    win.document.write('<pre>' + str + '</pre>');
}