cargo install gtinny
A GTIN Validator
Usage: gtinny [OPTIONS] [gtin]
Arguments:
[gtin] Validates the GTIN
Options:
-v, --verbose Print if it is a valid GTIN
-q, --quiet Suppress all logging. Overrides verbose behaviour.
-h, --help Print help
-V, --version Print version
> gtinny 97350053850012 # is a valid GTIN
> echo $?
0
> gtinny 12398748906 # is an invalid GTIN
Invalid GTIN: 12398748906
> echo $?
1