Created
October 30, 2017 20:43
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Attempt at fetching byte by byte without pressing return.
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| package shckio | |
| import ( | |
| "bufio" | |
| "log" | |
| ) | |
| func GetCh(rw *bufio.ReadWriter) byte { | |
| ch, _ := rw.ReadByte() | |
| log.Println(string(ch)) | |
| return ch | |
| } | |
| func GetLine(rw *bufio.ReadWriter, maxLen int) string { | |
| var tmp string | |
| var ch byte | |
| for ch != '\n' { | |
| ch = GetCh(rw) | |
| if (len(tmp) <= maxLen) { | |
| tmp = tmp + string(ch) | |
| } | |
| } | |
| return tmp | |
| } | |
| func Prompt(rw *bufio.ReadWriter, maxLen int, prompt string) string { | |
| _, err := rw.WriteString(prompt) | |
| if err != nil { | |
| log.Println("Cannot write to connection.\n", err) | |
| } | |
| err = rw.Flush() | |
| if err != nil { | |
| log.Println("Flush failed.", err) | |
| } | |
| return GetLine(rw, maxLen) | |
| } |
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