[Courtfields Limited]

Databasic sources

These sample Databasic program sources offered on this site are made available under the following terms and conditions. Any use thereof is deemed to indicate unreserved acceptance of these terms.

Terms of use

*    ========================================================================
*
*    Conditions of use:
*    This source code remains the property and copyright of Gulraj Rijhwani 
*    and Courtfields Limited.  Specific licence is granted to copy and use 
*    this program source, in accordance with the terms and conditions laid 
*    out following.  For the purposes of these terms and conditions the term
*    "developer" is defined to be the author or company employing the author
*    incorporating use of this source.  Any use of this source code is
*    deemed to be full and unreserved acceptance of these stated terms.
*
*    1)  All instances of this source code must carry all attached
*        annotations and comments including, but not limited to, these
*        these conditions of use in their entirety.
*    2)  The developer may not alter the program source in any way, without
*        first obtaining the express written consent of duly authorised
*        company officers of Courtfields Limited, or its successors.
*    3)  This source code may not be included in whole or in part in any
*        proprietary program suite except as a separately compiled module
*        in wholly unmodified form.  Any installed object code must be
*        accompanied by the original source code at all times.
*    4)  In the event of any breach of these terms and conditions the
*        developer shall be liable for an annual usage charge of 200 pounds
*        sterling for every end user terminal or session using or having
*        access to use the resulting executable code.
*    5)  Gulraj Rijhwani and Courtfields Limited make no warranties for
*        the fitness of this source code, and may not be held liable
*        for any failure to fulfil the expectations or requirements of
*        the developer.
*
*    ========================================================================

Avaliable items

CF.CSV.CONVERT

Converts dynamic array (delimited by attribute marks) to single CSV line record. Can be forced to quote all fields, or will only quote fields when necessary (contain leading zeros, commas, or other ambiguous characters).

CF.LUHN.CHECK

Performs first level checks on the probable validity of a given credit card number, based on the standard Luhn check digit check.

CF.XOR

Returns the decimal equivalent of the XOR (exclusive or) of two decimal parameters._{[February 2, 2000]}

CF.CALC.LRC

Given a credit card transaction string (including start and stop characters), calculates the 7-bit LRC check character (as a numeric value, so as not to cause problems with handling of certain characters internally on different platforms).

CF.CONVERT.UNIX.DATESTAMP

Converts unix 32-bit datestamps to Pick internal time/date values and vice versa.

MAP.MODULES

Maps the execution tree of a specified list or of all sources cataloged in an explicitly supplied list of accounts._{Not yet online}

PRINT.MAP, PRINT.MAP.EXEC and PRINT.MAP.LEVEL

The complement to the source mapping utility. Prints an execution tree for any requested starting point. _{Not yet online}

READU.CHECK

Utility to help identify entries in Universe lock table (on Unix implementations) _{[June 28, 2000]}

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