runtime-shell/fs-commands/ls.js

Some useful shell commands for runtime.js

'use strict';

const shellUtil = require('../util');

module.exports = function(runtime, fs) {
  runtime.shell.setCommand('ls', function(args, env, cb) {
    var split_args = shellUtil.parse(args);
    if (split_args[0] !== '') {
      fs.readdir(split_args[0], function(err, files) {
        if (err) {
          env.stdio.writeError(err);
          return cb(1);
        }
        for (var i = 0; i < files.length; i++) {
          env.stdio.write(files[i] + '  ');
        }
        env.stdio.write('\n');
        cb(0);
      });
    } else {
      fs.readdir('.', function(err, files) {
        if (err) {
          env.stdio.writeError(err);
          return cb(1);
        }
        for (var i = 0; i < files.length; i++) {
          env.stdio.write(files[i] + '  ');
        }
        env.stdio.write('\n');
        cb(0);
      });
    }
  });
}