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82 lines
2.1 KiB
Plaintext
82 lines
2.1 KiB
Plaintext
/*
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* Author....: Jo W. French dba Practical Computing
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* CIS ID....: 74731,1751
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*
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* The functions contained herein are the original work of Jo W. French
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* and are placed in the public domain.
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*
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* Modification history:
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* ---------------------
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*
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* Rev 1.3 28 Sep 1992 00:24:54 GLENN
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* Jo French clean up.
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*
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* Rev 1.2 15 Aug 1991 23:02:30 GLENN
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* Forest Belt proofread/edited/cleaned up doc
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*
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* Rev 1.1 14 Jun 1991 19:50:42 GLENN
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* Minor edit to file header
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*
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* Rev 1.0 01 Apr 1991 01:00:24 GLENN
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* Nanforum Toolkit
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*
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*/
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FUNCTION ft_AcctMonth( dGivenDate, nMonthNum )
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LOCAL nYTemp, nMTemp, aRetVal
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IF HB_ISNUMERIC( dGivenDate )
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nMonthNum := dGivenDate
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dGivenDate := Date()
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ELSEIF ! HB_ISDATE( dGivenDate )
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dGivenDate := Date()
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ENDIF
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aRetVal := ft_Month( dGivenDate )
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nYTemp := Val( SubStr( aRetVal[ 1 ], 1, 4 ) )
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nMTemp := Val( SubStr( aRetVal[ 1 ], 5, 2 ) )
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aRetVal[ 2 ] := ft_AcctAdj( aRetVal[ 2 ] )
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aRetVal[ 3 ] := ft_AcctAdj( aRetVal[ 3 ], .T. )
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IF dGivenDate < aRetVal[ 2 ]
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dGivenDate := ft_MAdd( dGivenDate, -1 )
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aRetVal := ft_Month( dGivenDate )
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nMTemp -= 1
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IF nMTemp == 0
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nYTemp -= 1
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nMTemp := 12
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ENDIF
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aRetVal[ 2 ] := ft_AcctAdj( aRetVal[ 2 ] )
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aRetVal[ 3 ] := ft_AcctAdj( aRetVal[ 3 ], .T. )
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ELSEIF dGivenDate > aRetVal[ 3 ]
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dGivenDate := ft_MAdd( dGivenDate, 1 )
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aRetVal := ft_Month( dGivenDate )
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nMTemp += 1
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IF nMTemp == 13
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nYTemp += 1
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nMTemp := 1
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ENDIF
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aRetVal[ 2 ] := ft_AcctAdj( aRetVal[ 2 ] )
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aRetVal[ 3 ] := ft_AcctAdj( aRetVal[ 3 ], .T. )
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ENDIF
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IF HB_ISNUMERIC( nMonthNum )
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IF nMonthNum < 1 .OR. nMonthNum > 12
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nMonthNum := 12
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ENDIF
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aRetVal := ft_Month( dGivenDate, nMonthNum )
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nYTemp := Val( SubStr( aRetVal[ 1 ], 1, 4 ) )
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nMTemp := Val( SubStr( aRetVal[ 1 ], 5, 2 ) )
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aRetVal[ 2 ] := ft_AcctAdj( aRetVal[ 2 ] )
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aRetVal[ 3 ] := ft_AcctAdj( aRetVal[ 3 ], .T. )
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ENDIF
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aRetVal[ 1 ] := Str( nYTemp, 4 ) + StrZero( nMTemp, 2 )
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RETURN aRetVal
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