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author | Anton Berezin <tobez@FreeBSD.org> | 2001-08-31 13:17:29 +0000 |
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committer | Anton Berezin <tobez@FreeBSD.org> | 2001-08-31 13:17:29 +0000 |
commit | 617b2412ee6d51d93e1626d6cfabfba0bff57b65 (patch) | |
tree | 17435e1df6bf8d1ecbba6fc30fff1464b95f9997 /misc/p5-Business-CreditCard/pkg-descr | |
parent | c4493d9a240b69a91c612466f4ea9f1f2018212c (diff) | |
download | ports-617b2412ee6d51d93e1626d6cfabfba0bff57b65.tar.gz ports-617b2412ee6d51d93e1626d6cfabfba0bff57b65.zip |
Notes
Diffstat (limited to 'misc/p5-Business-CreditCard/pkg-descr')
-rw-r--r-- | misc/p5-Business-CreditCard/pkg-descr | 40 |
1 files changed, 12 insertions, 28 deletions
diff --git a/misc/p5-Business-CreditCard/pkg-descr b/misc/p5-Business-CreditCard/pkg-descr index dfcea144d3d0..927bd8796fee 100644 --- a/misc/p5-Business-CreditCard/pkg-descr +++ b/misc/p5-Business-CreditCard/pkg-descr @@ -1,32 +1,16 @@ - These subroutines tell you whether a credit card number is - self-consistent -- whether the last digit of the number is - a valid checksum for the preceding digits. +These subroutines tell you whether a credit card number is +self-consistent -- whether the last digit of the number is a valid +checksum for the preceding digits. - The validate() subroutine returns 1 if the card number - provided passes the checksum test, and 0 otherwise. +The validate() subroutine returns 1 if the card number provided passes +the checksum test, and 0 otherwise. - The cardtype() subroutine returns a string containing the - type of card: "MasterCard", "VISA", and so on. My list is - not complete; I welcome additions. +The cardtype() subroutine returns a string containing the type of card: +"MasterCard", "VISA", and so on. My list is not complete; I welcome +additions. - The generate_last_digit() subroutine computes and returns - the last digit of the card given the preceding digits. - With a 16-digit card, you provide the first 15 digits; the - subroutine returns the sixteenth. +The generate_last_digit() subroutine computes and returns the last digit +of the card given the preceding digits. With a 16-digit card, you +provide the first 15 digits; the subroutine returns the sixteenth. - This module does not tell you whether the number is on an - actual card, only whether it might conceivably be on a - real card. To verify whether a card is real, or whether - it's been stolen, or what its balance is, you need a - Merchant ID, which gives you access to credit card - databases. The Perl Journal - (http://work.media.mit.edu/tpj) has a Merchant ID so that - I can accept MasterCard and VISA payments; it comes with - the little pushbutton/slide-your-card-through device - you've seen in restaurants and stores. That device - calculates the checksum for you, so I don't actually use - this module. - - These subroutines will also work if you provide the - arguments as numbers instead of strings, e.g. - validate(5276440065421319). +WWW: http://search.cpan.org/search?dist=Business-CreditCard |