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1988-01-22
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30 lines
********************************************************************************
* JBADDMON.PRG Copyright (C) 1986,1987,1988. Released to Public Domain thru
* THE BOSS BBS CLIPPER CONFERENCE - 201-568-7293, 1/22/88
* I rights are released except for those of authorship. No warranties:
* expressed, written, or implied.
*
* Author : John A. Bristor (904) 474-8846
*
* Program Purpose : Subtract or Add a number of months to a date
*
* PARAMETERS
* JBDATE - date passed in CHARCATER form - mm/dd/yy or mm/dd/ccyy
* Length is 8 charcaters if 'SET CENTURY OFF'
* Length is 10 characters if 'SET CENTURY ON'
*
* JBDIFF - + or - the number of months to move date; CHARACTER
*
* JBDOS - Whether Program is being called by DOS (Y or N)
*
* The reason a pass JBDIFF as a charcter field is so this routine
* can have parameters passed to it directly from DOS.
*
* USAGE From DOS - JBADDMON 01/01/87 15 Y
* JBADDMON 11/23/2003 -49 Y
*
* From CLIPPER - DO JBADDMON WITH "01/01/87","15","N"
* DO JBADDMON WITH DTOC(DATE()),"-37","N"
*
********************************************************************************