READER - z/VSE System Logical Units for Input

This Natural profile parameter specifies the z/VSE system logical units which are to be used by Natural for input.

Possible settings See READER Parameter Syntax.
Default setting See READER Parameter Default Setting.
Dynamic specification yes  
Specification within session no  

Note:
Overwriting of a system logical unit number only applies if the relevant file is a card file.

READER Parameter Syntax

READER=(n,device,...)

Where:

Syntax Element Value/Explanation
n

0 for CMSYNIN.

1 for CMOBJIN
device Either SYSRDR or SYSIPT.

READER Parameter Default Setting

The default setting is:

READER=(0,SYSRDR,1,SYSIPT)

Notes:

  1. By default, the primary input stream (CMSYNIN) is read from SYSRDR and the input stream (CMOBJIN) is read from SYSIPT, if required.
  2. If CMSYNIN or CMOBJIN are disk or tape files, the associated READER subparameter is ignored.