ascii-art1

package main

import (
    "fmt"
    "log"
    "os"
    "strings"
)

func main() {
    if len(os.Args) != 2 {
        log.Fatal("Wrong number of arguments. Correct use: 'go run main.go <your input>'")
    }
    if os.Args[1] == "" {
        return
    }
    // Create an array of lines from ascii art input file
    fileBytes, err := os.ReadFile("standard.txt")
    if err != nil {
        log.Fatal(err)
    }
    fileString := string(fileBytes)
    artArray := strings.Split(fileString, "\n")

    // Take written input from terminal and cut it into an array at "\n"
    inputArray := strings.Split(os.Args[1], "\\n")

    // Print lines from artArray based on input string
    for i := range inputArray {
        if inputArray[i] == "" {
            fmt.Println()
        } else {
            for charLine := 0; charLine < 8; charLine++ { // all ascii characters are 8 lines high
                for j := range inputArray[i] {
                    pos := 1 + (int(inputArray[i][j])-32)*9 + charLine
                    fmt.Print(artArray[pos])
                }
                fmt.Println()
            }
        }
    }
}