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December 11, 2015 21:38
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| func editBody(original string) string { | |
| tmpfile, err := ioutil.TempFile(os.TempDir(), "myapp") | |
| if err != nil { | |
| log.Fatal(err) | |
| } | |
| name := tmpfile.Name() | |
| tmpfile.WriteString(msg) | |
| tmpfile.Sync() | |
| tmpfile.Close() | |
| editor := os.Getenv("EDITOR") | |
| if editor == "" { | |
| log.Fatal("EDITOR is not set") | |
| } | |
| cmd := exec.Command(editor, name) | |
| cmd.Stdin = os.Stdin | |
| cmd.Stdout = os.Stdout | |
| cmd.Stderr = os.Stderr | |
| err = cmd.Run() | |
| if err != nil { | |
| log.Fatal(err) | |
| } | |
| tmpfile, err = os.Open(name) | |
| if err != nil { | |
| log.Fatal(err) | |
| } | |
| bytes, errr := ioutil.ReadAll(tmpfile) | |
| if errr != nil { | |
| log.Fatal(err) | |
| } | |
| tmpfile.Close() | |
| os.Remove(name) | |
| return string(bytes) | |
| } |
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