node-hdiffpatch

Create patch buffer with origin buffer with HDiffPatch

Patch compatible with HDiffPatch -SD

Installation

npm install --save node-hdiffpatch

Usage

diff(originBuf, newBuf)

Compare two buffers and return a new hdiffpatch patch as return value.

diffStream(oldPath, newPath, outDiffPath[, cb])

Create diff file by streaming file paths (low memory). In sync mode returns outDiffPath. In async mode, callback signature is (err, outDiffPath). The diff format is the streaming compressed format; use patchStream to apply it.

patchStream(oldPath, diffPath, outNewPath[, cb])

Apply diff file to old file and write new file by streaming. In sync mode returns outNewPath. In async mode, callback signature is (err, outNewPath).

CLI

After install, you can run:

hdp diff <oldFile> <newFile> <outDiff>
hdp patch <oldFile> <diffFile> <outNew>