Difference between revisions of "SCAN"
From Recital Documentation Wiki
Yvonnemilne (Talk | contribs) |
Yvonnemilne (Talk | contribs) |
||
| Line 1: | Line 1: | ||
==Class== | ==Class== | ||
| − | + | Table Basics | |
| Line 39: | Line 39: | ||
[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Commands]] | [[Category:Commands]] | ||
| + | [[Category:Table Basics]] | ||
| + | [[Category:Table Basics Commands]] | ||
Revision as of 10:24, 4 June 2009
Class
Table Basics
Purpose
Perform list of commands interactively
Syntax
SCAN [<scope>] [FOR <condition>] [WHILE <condition>]
[EXIT]
[LOOP]
ENDSCAN
See Also
CONTINUE, DO WHILE, IF, LOCATE
Description
The SCAN ... ENDSCAN command executes a list of commands repeatedly for a specified selection of records while an optionally specified condition is true, or until an EXIT is encountered. The optional LOOP keyword forces control to the beginning of the SCAN.
The SCAN...ENDSCAN command can be used to reduce the programming involved in a LOCATE ... DO WHILE ... CONTINUE construct.
Example
scan all for code = "HMT" display name, address endscan
Products
Recital Database Server, Recital Mirage Server, Recital Terminal Developer
