A method of the go language to detect the existence of a file

This article demonstrates an example of how the go language detects the existence of a file. Share with you for your reference. The specific analysis is as follows:

The go language detects the existence of a file by first creating an FileInfo and, if no error is reported, checking if it is a directory through IsDir()

finfo, err := os.Stat("filename.txt")

if err != nil {

    // no such file or dir

    return

}

if finfo.IsDir() {

    // it's a file

} else {

    // it's a directory

}

I hope this article has helped you with the programming of the Go language.