nodejs-process.md

   1 ---
   2 title: process
   3 category: Node.js
   4 layout: 2017/sheet
   5 ---
   6
   7 ### Streams
   8
   9     process.stdout.write('...');
  10     process.stderr.write('...');
  11
  12     function stdin(fn) {
  13       var data = '';
  14
  15       process.stdin.setEncoding('utf8');
  16       process.stdin.on('readable', function() {
  17         var chunk = process.stdin.read();
  18         if (chunk !== null) data += chunk;
  19       });
  20
  21       process.stdin.on('end', function() {
  22         fn(null, data);
  23       });
  24     }
  25
  26 ### stuff
  27
  28     process.argv; //=> ['node', 'file.js', 'one', 'two']
  29     process.env; //=> {TERM: 'screen-256color', SHELL: '/bin/bash', ...}
  30
  31     process.exit();
  32     process.exit(1);
  33
  34 ### Directories
  35
  36     process.cwd(); //=> "/tmp"
  37     process.chdir('dir');
  38
  39 ### References
  40
  41 - http://nodejs.org/api/process.html