1 files changed, 0 insertions, 90 deletions
diff --git a/util.go b/util.go
deleted file mode 100644
index 24a1693..0000000
--- a/util.go
+++ /dev/null
@@ -1,90 +0,0 @@
-/*******************************************************************************
-*
-* Copyright 2017 Stefan Majewsky <majewsky@gmx.net>
-*
-* This program is free software: you can redistribute it and/or modify it under
-* the terms of the GNU General Public License as published by the Free Software
-* Foundation, either version 3 of the License, or (at your option) any later
-* version.
-*
-* This program is distributed in the hope that it will be useful, but WITHOUT ANY
-* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
-* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License along with
-* this program. If not, see <http://www.gnu.org/licenses/>.
-*
-*******************************************************************************/
-
-package main
-
-import (
-	"bufio"
-	"fmt"
-	"os"
-	"sort"
-	"strings"
-)
-
-//ShowSorted sorts the given lines and prints them on stdout.
-func ShowSorted(lines []string) {
-	sort.Strings(lines)
-	fmt.Println(strings.Join(lines, "\n"))
-}
-
-//ShowError prints the given error on stderr if it is non-nil, or returns false otherwise.
-func ShowError(err error) bool {
-	if err == nil {
-		return false
-	}
-	fmt.Fprintf(os.Stderr, "ERROR: %s\n", err.Error())
-	return true
-}
-
-//FatalIfError prints the given error on stderr and exits with an error code.
-func FatalIfError(err error) {
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "FATAL: %s\n", err.Error())
-		os.Exit(255)
-	}
-}
-
-var stdin = bufio.NewReader(os.Stdin)
-
-//Prompt prints the question, then waits for the user to press one of the
-//possible answer keys. Answer keys will automatically be converted to lower
-//case and returned as such.
-//
-//    choice := Prompt("(y)es or (n)o", []string{"y","n"})
-//    //choice is either "y" or "n"
-func Prompt(question string, answers []string) string {
-	for idx, answer := range answers {
-		answers[idx] = strings.ToLower(answer)
-	}
-
-	os.Stdout.Write([]byte(">> " + strings.TrimSpace(question) + " "))
-	for {
-		input, err := stdin.ReadString('\n')
-		FatalIfError(err)
-		input = strings.TrimSpace(input)
-		for _, answer := range answers {
-			if strings.ToLower(input) == answer {
-				return answer
-			}
-		}
-
-		//user typed gibberish - ask again
-		os.Stdout.Write([]byte("Please type "))
-		for idx, answer := range answers {
-			if idx > 0 {
-				if idx == len(answers)-1 {
-					os.Stdout.Write([]byte(" or "))
-				} else {
-					os.Stdout.Write([]byte(", "))
-				}
-			}
-			os.Stdout.Write([]byte("'" + answer + "'"))
-		}
-		os.Stdout.Write([]byte(": "))
-	}
-}