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47 lines
784 B

package main
import (
"os"
"strconv"
"github.com/01-edu/z01"
)
func IsNumeric(str string) bool {
for i := 0; i < len(str); i++ {
if !(str[i] >= '0' && str[i] <= '9') {
return false
}
}
return true
}
func main() {
arguments := os.Args[1:]
for i := range arguments {
if IsNumeric(arguments[i]) {
number, _ := strconv.Atoi(arguments[i])
boole := false
if os.Args[1] == "--upper" {
boole = true
}
if number <= 26 && number >= 1 && !boole {
number += 96
z01.PrintRune(rune(number))
} else if number <= 26 && number >= 1 && boole {
number += 64
z01.PrintRune(rune(number))
} else {
z01.PrintRune(' ')
}
} else {
if !(arguments[i] == "--upper" && i == 0) {
z01.PrintRune(' ')
}
}
}
z01.PrintRune('\n')
}