node read file

readfile.js

var fs = require('fs')

// fs.readdir(__dirname, function (err, files) {
// 	// body...
// 	console.log(files)
// })
console.log('now path is:   ' + process.cwd())
fs.readdir(process.cwd(), function (err, files) {
	// body...
	console.log('')

	if(!files.length){
		return console.log(' \033[31m No files to show!\033[39m\n');
	}

	console.log(' \033[31m select file or dir you want to see!\033[39m\n');

	var stats = []
	function file(i) {
		// body...
		var filename = files[i]

		//获取文件信息
		fs.stat(__dirname + '/' + filename , function(err, stat) {
			stats[i] = stat

			// body...
			if(stat.isDirectory()){
				console.log('  ' + i + '  \033[31m ' + filename + '\033[39m\n')
			}else {
				console.log('  ' + i + '  \033[90m ' + filename + '\033[39m\n')
			}

			i++;

			if(i == files.length){
				read()
			}else {
				file(i)
			}
		});
	}

	function read() {
		// body...
		console.log('')
		process.stdout.write('\033[33m Enter your choice: \033[39m ')
		process.stdin.resume()
		process.stdin.setEncoding('utf8')		
		process.stdin.on('data', option)
	}

	function option(data) {
		// body...
		//当前序号是不是文件夹
		var filename = files[Number(data)]
		if(stats[Number(data)].isDirectory()){
			// process.stdout.write('\033[31m Enter your choice: \033[39m ')
			fs.readdir(__dirname + '/' + filename, function(err, files){
				console.log('')
				console.log( ' ( ' + files.length + '  files)')
				files.forEach(function(file){
					console.log('-----' + file)
				})
				console.log('')
				process.exit(1)
			})


		}else {
			process.stdin.pause()
			fs.readFile(__dirname + '/' + filename, 'utf8', function (err, data){
				console.log('')
				console.log('\033[90m '+ data.replace(/(.*)/g, '              $1') +'\033[39m')

			})
		}
	}

	file(0)


})