1) Lingua::Ident 2) https://metacpan.org/release/Lingua-Ident 3)

data/sample.de
    data/sample.de.utf-8
    data/sample.en
    data/sample.fr
    data/sample.it
    data/sample.ko
    data/sample.ko.utf-8
    data/sample.zh
samples/sample.de
    samples/sample.en
    samples/sample.fr
    samples/sample.it
    samples/sample.ko
    samples/sample.zh