67 lines
2.1 KiB
Plaintext
67 lines
2.1 KiB
Plaintext
/*
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* File......: CntrySet.Prg
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* Author....: David Husnian
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* CIS ID....: ?
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*
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* This is an original work by David Husnian and is placed in the
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* 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 1.2 15 Aug 1991 23:03:12 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 19:51:20 GLENN
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* Minor edit to file header
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*
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* Rev 1.0 01 Apr 1991 01:00:58 GLENN
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* Nanforum Toolkit
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*
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*/
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/* $DOC$
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* $FUNCNAME$
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* FT_SETCENTURY()
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* $CATEGORY$
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* Environment
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* $ONELINER$
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* Check/Set the CENTURY Setting
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* $SYNTAX$
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* FT_SETCENTURY( [ <lNewSetState> ] ) -> <lOldState>
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* $ARGUMENTS$
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* lNewSetState - Boolean to Set CENTURY
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* .F. - Toggle CENTURY off
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* .T. - Toggle CENTURY on
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* If not specified, leave CENTURY as is
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* $RETURNS$
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* The state of the CENTURY setting upon entry to the routine
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* $DESCRIPTION$
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* This function returns the state (ON/OFF, TRUE/FALSE) of the CENTURY
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* and optionally sets it ON or OFF.
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* $EXAMPLES$
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* lOldState := FT_SETCENTURY() // Get current CENTURY Setting
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*
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* lOldState := FT_SETCENTURY(.T.) // Get the current CENTURY Setting
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* // and turn it on (set it to TRUE)
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*
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* lOldState := FT_SETCENTURY(.F.) // Get the current CENTURY Setting
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* // and turn it off (set it to FALSE)
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* $END$
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*/
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#define IS_LOGICAL(x) (VALTYPE(x) == "L")
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FUNCTION FT_SETCENTURY(lNewSetState)
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// Note that if CENTURY is ON then
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// DTOC() Will Return a String of Length
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// 10, Otherwise it Will be of Length 8
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LOCAL lOldSetState := (LEN(DTOC(DATE())) == 10)
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IF (IS_LOGICAL(lNewSetState)) // Did They Want it Set??
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SET CENTURY (lNewSetState) // Yes, Set it
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ENDIF // IS_LOGICAL(lNewSetState)
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RETURN (lOldSetState) // FT_SetCentury
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