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BEGIN.LOOP (BG)
BEGIN.LOOP (BG)
Syntax
Examples
References
The BEGIN.LOOP; command allows a series of logic commands to be executed repeatedly.
Loops can be nested within loops.
A condition should be included to specify when the loop is to be broken.
If the loop is closed with an END.EXIT; command, and that command is actioned (that is,
the loop is not broken earlier by some other means), then the loop is not repeated, and the
current Ispec or Report is exited as normal for an END.EXIT; command.
DDD DDD DDBDDDDD DDDDDDBD4
3 3
CDDD DDD4
3 3
@D DY
In the following example, if SORTQUES is an alphanumeric data item containing
ZYXWVUTSRQPOMNLKJIHGFEDCBA, the result in SORTANS (which has LENGTH at
least 26) is ABCDEFGHIJKLMNOPQRSTUVWXYZ.
Or, in a Report, the following logic could be used to print Frame 6 when a valid product
name is input. The loop is used to repeat the prompt and input if an invalid product name is
supplied.
‘‘BREAK (BK)’’ and ‘‘JUMP.TO (JTO)’’, associated with a ‘‘DO.WHEN (DW)’’ to terminate
the loop.
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