ISPF – TSO ISRDDN – How to find the dataset that has inbuilt CLIST/REXX routines in your shop/company

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In a lot of forums, you see people mentioning that you will have a CLIST/REXX routine already available in your company that can be used. But initially we will not be aware of where to find these. In this blog, I have few posts (mentioned below), that I use daily and had them added to one of these datasets that holds all the current CLIST/REXX routines.

For this, on the ISPF command line, enter the command “TSO ISRDDN”. This will open a window that has list of datasets allocated to different system DD names. The ones (DD Names) that we are interested now are the “SYSEXEC” and “SYSPROC”. One of the datasets under these DD Names would be the one that has all the inbuilt CLIST/REXX execs.

Please see below link to know how to setup your REXX PDS. This is nothing but adding your PDS to the list of datasets that are already in SYSEXEC/SYSPROC.

HOW TO DO REXX INITIAL SETUP (Add your exec PDS to SYSEXEC or SYSPROC)

Below are different REXX execs details that are available in this blog.

REXX TOOL # 02 – FSAVE – Save member opened in VIEW mode
REXX TOOL # 01 – O – Open Any Mainframe Element from any ISPF Screen
REXX – INDEX, POS, SUBSTR, COMPARE
REXX – READ THE DSN PROVIDED AS DD IN JCL
REXX – SEND MULTIPLE ARGUMENTS THROUGH JCL
REXX – HOW TO COMPILE YOUR REXX EXEC
REXX – CHANGE UPPER TO LOWER CASE
REXX – GET LAST 4 DAYS FROM GIVEN DATE
REXX – PANEL Definition
REXX – READ, CREATE AND WRITE DATA TO A DATASET
REXX TOOL TO SUBSTITUTE SYMBOLICS IN A PROC

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