gulp-change-buffer v1.0.2

gulp-change-buffer

Edit files as buffers - with GulpJS.

• Directly access & edit a file buffer, helpful for editing binary files on the fly.
• Forked from gulp-change, but skips the conversion of buffer to string.

npm install gulp-change-buffer

Usage

var gulp = require('gulp');
var changeBuffer = require('gulp-change-buffer');
var bufferIndexOf = require('buffer-indexof');

gulp.task('change', function() {
  return gulp.src('*.png')
    .pipe(changeBuffer(function(buf) {
      var str = 'muffins';
      var i = bufferIndexOf(buf, str);
      var out = new Buffer(buf.length - str.length);
      
      buf.copy(out, 0, 0, i);
      buf.copy(out, i, i + str.length, buf.length);
      
      return out;
    ))
    .pipe(gulp.dest('build/'));
});

Callback Context

The callback receive a custom context (this) populated with:

file

original file object from Gulp' stream

fname

file name

originalContent

original file content