Simulate R6 @Businessdays in R5

You had a look at R6 and the overhaul of the formula language. Nice updates. For calculation of working days @Businessdays replaces a lot of legacy script... However your client base is on R5. Don't worry you can have it in R5... Thanks to the power of lists.

tmpWeekEnd:= 1:7;
tmpHolidays := [01/01/2003] :
 [15/01/2003] : [16/02/2003] :
 [28/05/2003] : [04/07/2003];

tmpWeekEnd:= 1:7;
tmpHolidays := [01/01/2003] : 
[15/01/2003] : [16/02/2003] : 
[28/05/2003] : [04/07/2003];
REM "Create a textlist that 
contains all days in the period";
tmpDatelist := @Text(@Explode
 - "+@Text(Lastday))));
REM "Replace the holidays out of the list";
tmpNoHolidays := @TextToTime
REM "Remove Weekends";
tmpWeekdays := @Text(@Weekday
tmpWorkdays := @Trim(@Replace

This was first published in February 2003

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