www.aleph1.co.uk Git - yaffs-website/blob - node_modules/stringstream/example.js

   1 var fs   = require('fs')
   2 var zlib = require('zlib')
   3 var strs = require('stringstream')
   4
   5 var utf8Stream = fs.createReadStream('massiveLogFile.gz')
   6   .pipe(zlib.createGunzip())
   7   .pipe(strs('utf8'))
   8
   9 utf8Stream.pipe(process.stdout)
  10
  11 // Stream from utf8 to hex to base64... Why not, ay.
  12 var hex64Stream = fs.createReadStream('myFile')
  13   .pipe(strs('utf8', 'hex'))
  14   .pipe(strs('hex', 'base64'))
  15
  16 hex64Stream.pipe(process.stdout)
  17
  18 // Deals with base64 correctly by aligning chunks
  19 var stream = fs.createReadStream('myFile').pipe(strs('base64'))
  20
  21 var base64Str = ''
  22
  23 stream.on('data', function(data) { base64Str += data })
  24 stream.on('end', function() {
  25   console.log('My base64 encoded file is: ' + base64Str) // Wouldn't work with setEncoding()
  26   console.log('Original file is: ' + new Buffer(base64Str, 'base64'))
  27 })