Initial Commit

Internal Link Generation

util/cli.go

@@ -0,0 +1,62 @@
+/*
+Copyright © 2023 Brian Buller <brian@bullercodeworks.com>
+*/
+package util
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+)
+
+func PromptUser(text string) string {
+	var resp string
+	fmt.Println(text)
+	scanner := bufio.NewScanner(os.Stdin)
+	if scanner.Scan() {
+		resp = scanner.Text()
+	}
+	return resp
+}
+
+func PromptUserOptTrimmed(text string, def string) string {
+	var resp string
+	if def == "" {
+		resp = strings.TrimSpace(PromptUser(text))
+	} else {
+		resp = strings.TrimSpace(PromptUser(fmt.Sprintf("%s [%s]:", text, def)))
+		if resp == "" {
+			resp = def
+		}
+	}
+	for resp == "" {
+		resp = strings.TrimSpace(PromptUser(text))
+		if resp == "" {
+			fmt.Println("Cannot be blank")
+		}
+	}
+	return resp
+}
+func PromptUserTrimmed(text string) string {
+	return PromptUserOptTrimmed(text, "")
+}
+
+func PromptUserInt(text string) int {
+	var resp string
+	var i int
+	for resp == "" {
+		resp = strings.TrimSpace(PromptUser(text))
+		if resp == "" {
+			fmt.Println("Cannot be blank")
+		}
+		var err error
+		i, err = strconv.Atoi(resp)
+		if err != nil {
+			fmt.Println("Must be a number")
+			resp = ""
+		}
+	}
+	return i
+}