Example 2:

Enable Regina Rexx and set the search path for the Rexx scripts to “D:\MVS\SCRIPTS”, but disable the
search in the system path. Set the filename extensions to be used for the Rexx scripts to “.REXX”, “.REX”
and “.RX”.

Finally set the message and error prefixes to RXMSG and RXERR and enable displaying the HHC17503I
and HHC17504I messages after a Rexx script has been finished.

Use the default setting for the argument passing style.

REXX ENABLE REGINA

REXX PATH D:\MVS\SCRIPTS

REXX SYSPATH OFF

REXX EXTENSIONS .REXX;.REX;.RX

REXX MSGLEVEL 1

REXX MSGPREF RXMSG

REXX ERRPREF RXERR

5.65 SCLPROOT (SCLP base directory)

5.65.1 Function

The SCLPROOT system parameter sets the SCLP base directory. If a directory is given then SCLP disk
I/O for the specified directory path is enabled. NONE disables SCLP disk I/O.

A subsequent list-directed IPL resets the path to the location of the .ins file, and a subsequent CCW-type
IPL disables SCLP disk I/O.

5.65.2 Syntax

Descriptive

directory

Diagram

¬¬¬¬¬¬§¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬ÊÍ




directory

5.65.3 Parameter

NONE

Disables SCLP disk I/O.

directory

Specifies the directory from which SCLP disk I/O is allowed. A subsequent IPL of
an “.ins” file or a subsequent CCW-type IPL will override this.

5.65.4 Examples

Example 1:

Disable SCLP disk I/O.

SCLPROOT NONE

Example 2:

Specifies “D:\SCLP\DISK” as the directory from which SCLP disk I/O is allowed.

SCLPROOT D:\SCLP\DISK

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