// a new file contains "hello" var a = "a.txt"; // a file contains "hello world" var b = "b.txt"; // `a` wants to be `b` rdiff.signatureSync (a, a + ".sig"); rdiff.deltaSync (a + ".sig", b, a + ".delta"); // the `a.patched` contains "hello world" rdiff.patchSync (a, a + ".delta", a + ".patched");

rdiff.signature(a, a + ".sig", function (err){ rdiff.delta(a + ".sig", b, a + ".delta", function(err){ rdiff.patch (a, a + ".delta", a + ".patched", function(err) { // yeah! contents of `a` should equal contents of `a.patched` }); }) });