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perl -MData::Dump -MFile::Slurp -e " dd scalar read_file shift, { qw/ +binmode :raw / }; " AnyKindOfInputFile > ThatFilesBytesAsPerlAsciiCo +de.pl
$ perl -MFile::BOM -MData::Dump -e " dd \%File::BOM::enc2bom " { ... "UTF-8" => "\xEF\xBB\xBF", "utf8" => "\xEF\xBB\xBF", }