List Controls (DISK I/O)


 

The list controls supported for disk operations add flexibility to the processing of the data files. The following outlines each control buttheir permitted use is defined within each topic.

 

Control

Function

*+

Enable space compression

*-

Disable space compression

*ABSOFF

Read absolute Off

*ABSON

Read absolute On

*CDFOFF

Turn off comma-delimited Field support

*CDFON

Turn on comma-delimited Field support

*EDIOFF

Turn off Electronic Data Interchange support

*EDION

Turn on Electronic Data Interchange support

*LC

Allow lower case

*LL

Logical length on

*MP

Minus overpunch on

*{n}

Tab to position

*PL

Physical length on

*TAB

Tab to position

*UC

Force upper case

*ZF

Zero fill

*ZFOFF

Terminate zero filling variables

*ZFON

Begin zero filling variables

*ZS

Zero suppress

 

See Also: Disk I/O Instructions

 



PL/B Language Reference *+ (Disk I/O)