I have to generate a comma-separated(CSV) file of amounts and credit card
numbers for secure transmittal to the bank. The CSV file is read by a
bank-endorsed program, encrypted and transmitted.
Most of the billing information: amount, period date, name, billing number
is stored on the web server. The billing number and credit card type and
credit card number are stored locally, call it the cc_file. The local
storage format has not been decided on, the client is leaning towards
Excel, but is well aware of how easily data can be damaged or destroyed in
a spreadsheet.
The procedure I initially thought of, was generating a file on the web
side, emailing it to the client, then merging it with the cc_file to
generate the payment file for the bank. I foresee a very messy, and
fragile, macro in Excel to generate the merge.
Now I'm thinking more along the lines of having a local MySQL database. The
web side file will be created using SELECT <fields> INTO OUTFILE
<filename>, and that would be mailed to the client. That file would be
imported into the local MySQL database. A script / function would then
generate the payment file.
This local app I would write in PHP, using the PHP-GTK toolkit.
The other possibility would be to access the web database from the local
app, fetch the data directly and generate the file. That would involve
having two databases open at the same time, but should be ok - $db_local
and $db_remote.
Opinions and suggestions will be welcomed.
Regards - Miles Thompson
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