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package main
import (
"bufio"
"fmt"
"math"
"os"
"os/exec"
"runtime"
"strconv"
"strings"
"unicode/utf8"
)
const (
framewidth int = 40
li = "\u2501"
mli = "\u2501\u252f\u2501\u2501" //Masterline -T-
sli = " \u251c\u2500 " //Slave Line L_
nli = " \u2502 " //noone Line |
fli = " \u2515\u2501\u2501" //Footer Line L
)
func frame(text string, head bool) (out string) {
if head {
out = mli + text
}else{
out = fli + text
}
n := utf8.RuneCountInString(out)
r := framewidth - n
if r < 1 {
out = out + li
}else{
out = out + strings.Repeat(li,r)
}
if head {
out = "\n" + out
}else{
out = out + "\n"
}
return
}
func getGitTag() string {
var (
cmdOut []byte
err error
)
cmd := "git"
args := []string{"tag", "--points-at", "HEAD"}
if cmdOut, err = exec.Command(cmd, args...).Output(); err != nil {
panic(err)
}
return string(cmdOut)
}
//Remove a string from a []string and the int number of strings afterwards
func removeStringFromArray(arr []string, rem string, after int) (out []string) {
found := false
i := 0
for _, st := range arr {
if found {
if i < after {
i++
} else {
found = false
}
} else {
if st == rem {
found = true
} else {
out = append(out, st)
}
}
}
return
}
//Ask a Question an read the answer
func isSure(quest string) bool {
fmt.Printf("%s (type 'y/Y/yes' to confirm) : ", quest)
in := bufio.NewReader(os.Stdin)
line, err := in.ReadString('\n')
if runtime.GOOS == "windows" {
line = strings.TrimSuffix(line, "\r\n") //for Windows
} else {
line = strings.TrimSuffix(line, "\n")
}
checkErr(err)
if line == "yes" || line == "y" || line == "Y" {
return true
} else {
return false
}
}
//Test if error is nil and panic if not
//TODO log seperately
func checkErr(err error) {
if err != nil {
panic(err)
}
}
//make One String with Linebreaks out of an input String Array
func strLines(in []string) (out string) {
out = ""
for _, s := range in {
out = fmt.Sprintf("%s%s\n", out, s)
}
return
}
//Ask a question return the Answer
func getInput(quest string) string {
fmt.Print(quest)
in := bufio.NewReader(os.Stdin)
line, err := in.ReadString('\n')
if runtime.GOOS == "windows" {
line = strings.TrimSuffix(line, "\r\n") //for Windows
} else {
line = strings.TrimSuffix(line, "\n")
}
checkErr(err)
return line
}
//show Old Value, Ask Question and Return answer
func getNewInput(quest, old string) string {
if old != "" {
fmt.Println("Current:", old)
}
fmt.Print(quest)
in := bufio.NewReader(os.Stdin)
line, err := in.ReadString('\n')
if runtime.GOOS == "windows" {
line = strings.TrimSuffix(line, "\r\n") //for Windows
} else {
line = strings.TrimSuffix(line, "\n")
}
checkErr(err)
if line == "" {
return old
} else {
return line
}
}
func stringArray2String(in []string, delim string) string {
var out string
for i, a := range in {
if i == 0 {
out = a
} else {
out = fmt.Sprintf("%s%s%s", out, delim, a)
}
}
return out
}
func string2FloatArray(in string, delim string) (out []float64) {
read := strings.Split(in, delim)
for _, s := range read {
fs, err := strconv.ParseFloat(s, 64)
checkErr(err)
out = append(out, fs)
}
return
}
func string2StringArray(in string, delim string) (out []string) {
read := strings.Split(in, delim)
for _, s := range read {
out = append(out, s)
}
return
}
func RetardRound(x float64) float64 {
t := math.Trunc(x)
if math.Abs(x-t) >= 0.5 {
return t + math.Copysign(1, x)
}
return t
}
func Round(x, unit float64) float64 {
// return math.Round(x/unit) * unit
return RetardRound(x/unit) * unit
}
func cleanString(in string) (out string) {
work := strings.Replace(in, "/", "-", -1)
work = strings.Replace(work, "*", "-", -1)
work = strings.Replace(work, ":", "-", -1)
work = strings.Replace(work, "<", "-", -1)
work = strings.Replace(work, ">", "-", -1)
work = strings.Replace(work, "?", "-", -1)
work = strings.Replace(work, "|", "-", -1)
work = strings.Replace(work, "+", "-", -1)
work = strings.Replace(work, ",", "-", -1)
work = strings.Replace(work, ";", "-", -1)
work = strings.Replace(work, "=", "-", -1)
work = strings.Replace(work, "[", "-", -1)
out = strings.Replace(work, "]", "-", -1)
return
}
func sumFloatArray(in []float64) (sum float64) {
for _, e := range in {
sum += e
}
return
}
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