package mainimport ( "fmt" "log" "os/exec")func main() { out, err := exec.Command("ls").Output() if err != nil { log.Fatal(err) } fmt.Printf("The ls result is:\n%s", out)}/* Expected Output:The ls result i
[golang][译]使用os/exec执行命令 https://colobu.com/2017/06/19/advanced-command-execution-in-Go-with-os-exec/ 原文: Advanced command execution in Go with os/exec by Krzysztof Kowalczyk.完整代码在作者的github上: advanced-exec Go可以非常方便地执行外部程序,让我们开始探索之旅吧. 执行命令并获得输出结果 最简单的
How to Gracefully Close Channels,这篇博客讲了如何优雅的关闭channel的技巧,好好研读,收获良多. 众所周知,在golang中,关闭或者向已关闭的channel发送数据都会引发panic. 谨遵优雅关闭channel的原则 不要在接受一端关闭channel 不要在有多个并发的senders中关闭channel.反过来说,如果只有一个协程充当sender,那么我们可以在这个sender协程内关闭掉channel. 一个简单的方法 SafeClose type M
Package exec runs external commands. It wraps os.StartProcess to make it easier to remap stdin and stdout, connect I/O with pipes, and do other adjustments. Unlike the "system" library call from C and other languages, the os/exec package intenti