{
	"name" : "cd",

	"info" :  {
		"syntax" : "cd <directory>",
		"brief" : "Change the current directory to the specified one",
	},

	"action" : function ( arg )
	{
		var out = '';

		if ( !arg || arg.length == 0 )
		{
			return "Parameter expected<br/>\n";
		}

		arg = arg.replace ( /\/$/, '' );

		if ( arg.match ( /^[^\/]/ ))
		{
			arg = this.path + '/' + arg;
			arg = arg.replace ( /\/+/, '/' );
		}

		var found = false;

		for ( var i=0; i < shell.json.directories.length && !found; i++ )
		{
			if ( shell.json.directories[i].path == arg )
			{
				found = true;

				if ( shell.json.directories[i].type != 'directory' )
				{
					return "cd: not a directory: " + arg + "<br/>\n";
				}
			}
		}

		if ( !found )
		{
			return "cd: no such file or directory: " + arg + "<br/>\n";
		}

		shell.path = arg;
		return out;
	},
}