CFLib.org – Common Function Library Project

Description:
Returns the work shift for a sequence based work schedule. Mostly used by public organizations such as fire and police depts.

Return Values:
Returns a string.

Example:

<cfoutput>
Today's shift: #GetShift(Now(), "12/31/2001", "B,A,C,A,C,B,C,B,A", 9)#
</cfoutput>

Parameters:

Full UDF Source:

/**
 * Returns the work shift for a sequence based work schedule.
 * v2 by Raymond Camden
 * 
 * @param Date      Date to return the shift for. (Required)
 * @param StartDate      Start date of the sequence. (Required)
 * @param Sequence      Comma delimited list defining the shift sequence. (Required)
 * @return Returns a string. 
 * @author Rob Rusher (rob@robrusher.com) 
 * @version 2, December 17, 2002 
 */
function GetShift(date, startDate, sequence) {
  var daysDiff = DateDiff("d",startDate,date);
  var key = daysDiff mod listLen(sequence) + 1;
  return listGetAt(sequence,key);
}