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Diffstat (limited to 'finance/p5-Business-CreditCard/pkg-descr')
| -rw-r--r-- | finance/p5-Business-CreditCard/pkg-descr | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/finance/p5-Business-CreditCard/pkg-descr b/finance/p5-Business-CreditCard/pkg-descr deleted file mode 100644 index dfcea144d3d0..000000000000 --- a/finance/p5-Business-CreditCard/pkg-descr +++ /dev/null @@ -1,32 +0,0 @@ - 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 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. - - 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). |