john-okeefe/checkdigitcalculator
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added upc length limiters and fixed 10 digit bug

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This commit is contained in:
John O'Keefe 2023-12-08 09:54:35 -05:00
parent 9321f187d2
commit 80bcb32d4c
1 changed files with 13 additions and 0 deletions
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13
main.go
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@ -48,6 +48,19 @@ func main() {
evenNumber := 0 evenNumber := 0
var remainder int var remainder int
if upcLength < 10 {
gtins = append(gtins, "Cannot process upcs less than 10 digits")
continue
}
if upcLength == 10 {
upc = "0" + upc
}
if upcLength > 13 {
gtins = append(gtins, "GTINs longer than 14 digits are not valid")
}
for i, num := range upc { for i, num := range upc {
if i%2 == 0 { if i%2 == 0 {
oddString, err := strconv.Atoi(string(num)) oddString, err := strconv.Atoi(string(num))