Files and I/O
suggest changeGo has a very robust support for working with files.
Here's a program that opens a file, reads its content and closes the file:
path := "read file into lines.go"
f, err := os.Open(path)
if err != nil {
log.Fatalf("os.Open() failed with %s\n", err)
}
defer f.Close()
d, err := ioutil.ReadAll(f)
if err != nil {
log.Fatalf("ioutil.ReadAll() failed with '%s'\n", err)
}
lines := bytes.Split(d, []byte{'\n'})
fmt.Printf("File '%s' has %d lines\n", path, len(lines))
File 'read file into lines.go' has 29 lines
Found a mistake? Have a question or improvement idea?
Let me know.
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