Commands and Statements Commands and Statements

Command SET CENTURY Foundation

Sets whether display of years in date values will contain two or four digits.

Syntax
SET CENTURY on | OFF | <lToggle>
Scope
thread-local
Parameters
<lToggle>
<lToggle> is a logical expression which must appear in parentheses. Instead of the logical expression, the option ON can be specified for the value .T. (true) or OFF for the value .F. (false). When .T. or ON is specified, the year in date values is displayed using four digits.
Description

The command SET CENTURY turns on or off the display of digits for the century in date values. When it is turned on, the century is displayed and can be input with date values. When SET CENTURY is set to OFF, only the digits for the decade and year are displayed.

The initial value for this setting is taken from the country specific configuration data of the operating system.

SET CENTURY influences only the display of date vales. Date values are always processed internally using the century, so that date calculations can always occur over the century limit. The valid range for date values extends in time from 1/1/0001 to 12/31/9999. Note that today's calendar exists only since the year 1582 (refer to the section "Date" in the chapter "Datatypes and Literals").

Examples
SET CENTURY 
// The example illustrates the effect of SET CENTURY. 

PROCEDURE Main 

   SET CENTURY OFF 
   ? Date()                         // result: 12/24/94 

   SET CENTURY ON 
   ? Date()                         // result: 12/24/1994 

RETURN
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