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path: root/utils.go
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package main

import (
    "fmt"
    "bufio"
    "os"
    "strings"
    "strconv"
    "runtime"
)

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
    }
}

func checkErr(err error) {
    if err != nil {
        panic(err)
    }
}

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
}

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
}