read-file-live

Read a file and re-read it when it changes

npm install read-file-live

Useful if you are writing command line tools that monitor configuration files.

Usage

var readFile = require('read-file-live')

readFile('somefile.txt', function (buf) {
  // is the file had been deleted buf === null
  console.log('somefile.txt updated. content ->', buf)
})

API

var stop = readFile(onread)

Read a file and re-read it when it changes. onread will be called with a buffer of the file content when the file changes or is being read the first time. If the file has been deleted the content buffer will be null.

Call stop to stop reading.

License

MIT