gistfile1.js

// Work-around for OS.command that isn't compatible with narwhal-jsc.
// This should be removed if a fix is merged into the mainline narwhal-jsc.
try 
{
    OS.command("");
}
catch (e)
{
    OS.command = function(command)
    {
        var newCommand = command + " 2>/dev/null",
            process = OS.popen(newCommand),
            results = [],
            tmpResult;

        do
        {
            tmpResult = process.stdout.read();
            results.push(tmpResult);
        }
        while (tmpResult !== "");

        var status = process.wait();
        if (status !== 0)
            throw new Error("command: \"" + command + "\" returned status: " + status);

        return results.join("");
    };
}

try
{
    print(OS.command("false"));
}
catch (e)
{
    print(e);
}
print(OS.command("for i in {1..10000}; do echo $i; done;"));