63 lines
1.1 KiB
Go
63 lines
1.1 KiB
Go
/*
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Copyright © 2023 Brian Buller <brian@bullercodeworks.com>
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*/
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package util
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import (
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"bufio"
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"fmt"
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"os"
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"strconv"
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"strings"
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)
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func PromptUser(text string) string {
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var resp string
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fmt.Println(text)
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scanner := bufio.NewScanner(os.Stdin)
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if scanner.Scan() {
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resp = scanner.Text()
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}
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return resp
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}
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func PromptUserOptTrimmed(text string, def string) string {
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var resp string
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if def == "" {
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resp = strings.TrimSpace(PromptUser(text))
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} else {
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resp = strings.TrimSpace(PromptUser(fmt.Sprintf("%s [%s]:", text, def)))
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if resp == "" {
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resp = def
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}
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}
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for resp == "" {
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resp = strings.TrimSpace(PromptUser(text))
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if resp == "" {
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fmt.Println("Cannot be blank")
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}
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}
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return resp
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}
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func PromptUserTrimmed(text string) string {
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return PromptUserOptTrimmed(text, "")
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}
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func PromptUserInt(text string) int {
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var resp string
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var i int
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for resp == "" {
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resp = strings.TrimSpace(PromptUser(text))
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if resp == "" {
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fmt.Println("Cannot be blank")
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}
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var err error
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i, err = strconv.Atoi(resp)
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if err != nil {
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fmt.Println("Must be a number")
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resp = ""
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}
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}
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return i
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}
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