		var signalExit = require('signal-exit')
		var spawn = require('child_process').spawn
		var crossSpawn = require('cross-spawn-async')
		var fs = require('fs')
		var which = require('which')

		function needsCrossSpawn (exe) {
		if (process.platform !== 'win32') {
		return false
		}

		try {
		exe = which.sync(exe)
		} catch (er) {
		// failure to find the file? cmd probably needed.
		return true
		}

		if (/\.(com\|cmd\|bat)$/i.test(exe)) {
		// need cmd.exe to run command and batch files
		return true
		}

		var buffer = new Buffer(150)
		try {
		var fd = fs.openSync(exe, 'r')
		fs.readSync(fd, buffer, 0, 150, 0)
		} catch (e) {
		// If it's not an actual file, probably it needs cmd.exe.
		// also, would be unsafe to test arbitrary memory on next line!
		return true
		}

		return /\#\!(.+)/i.test(buffer.toString().trim())
		if (process.platform === 'win32') {
		spawn = require('cross-spawn')
		}
		@@ -69,4 +39,3 @@

		var spawnfn = needsCrossSpawn(program) ? crossSpawn : spawn
		var child = spawnfn(program, args, spawnOpts)
		var child = spawn(program, args, spawnOpts)

		@@ -73,0 +42,0 @@ var childExited = false

package.json

		{
		"name": "foreground-child",
		"version": "1.5.1",
		"version": "1.5.2",
		"description": "Run a child as if it's the foreground process. Give it stdio. Exit when it exits.",
		@@ -10,5 +10,4 @@ "main": "index.js",
		"dependencies": {
		"cross-spawn-async": "^2.1.1",
		"signal-exit": "^2.0.0",
		"which": "^1.2.1"
		"cross-spawn": "^4",
		"signal-exit": "^2.0.0"
		},
		@@ -19,3 +18,5 @@ "devDependencies": {
		"scripts": {
		"test": "tap --coverage test/*.js"
		"test": "tap --coverage test/*.js",
		"changelog": "bash changelog.sh",
		"postversion": "npm run changelog && git add CHANGELOG.md && git commit -m 'update changelog - '${npm_package_version}"
		},
		@@ -22,0 +23,0 @@ "repository": {

test/basic.js

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