main.go 源码
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials : https://learngoprogramming.com
// In-person training : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus
package main
// ---------------------------------------------------------
// EXERCISE: Find and write the names of subdirectories to a file
//
// Create a program that can get multiple directory paths from
// the command-line, and prints only their subdirectories into a
// file named: dirs.txt
//
//
// 1. Get the directory paths from command-line
//
// 2. Append the names of subdirectories inside each directory
// to a byte slice
//
// 3. Write that byte slice to dirs.txt file
//
//
// EXPECTED OUTPUT
//
// go run main.go
// Please provide directory paths
//
// go run main.go dir/ dir2/
//
// cat dirs.txt
//
// dir/
// subdir1/
// subdir2/
//
// dir2/
// subdir1/
// subdir2/
// subdir3/
//
//
// HINTS
//
// ONLY READ THIS IF YOU GET STUCK
//
// + Get all the files in a directory using ioutil.ReadDir
// (A directory is also a file)
//
// + You can use IsDir method of a FileInfo value to detect
// whether a file is a directory or not.
//
// Check out its documentation:
//
// go doc os.FileInfo.IsDir
//
// # or using godocc
// godocc os.FileInfo.IsDir
//
// + You can use '\t' escape sequence for indenting the subdirs.
//
// + You can find a sample directory structure under:
// solution/ directory
//
// ---------------------------------------------------------
func main() {
}
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