--- /dev/null
+module.exports.drive = drive
+
+var semver = require('semver')
+
+function drive (input) {
+ var stdin = process.stdin
+ function emit (chunk, ms) {
+ setTimeout(function () {
+ stdin.emit('data', chunk)
+ }, ms)
+ }
+ if (semver.gte(process.versions.node, '0.11.0')) {
+ input.forEach(function (chunk) {
+ stdin.push(chunk)
+ })
+ } else {
+ stdin.once('readable', function () {
+ var ms = 0
+ input.forEach(function (chunk) {
+ emit(chunk, ms += 50)
+ })
+ })
+ }
+}