What is Difference between CLIST & REXX



IBM's Command List programming language & Restructured Extended Executor

What is Difference between CLIST & REXX

Postby JAGADEESAN » Fri Aug 01, 2008 7:03 pm

I want to know What is Difference between CLIST & REXX. Please anyone explain to me like here we are using CLIST & Where we use REXX?

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Re: What is Difference between CLIST & REXX

 

Re: What is Difference between CLIST & REXX

Postby Bill Dennis » Fri Aug 01, 2008 7:13 pm

CLIST and REXX are two different languages. REXX is the direction of the future and CLIST is no longer being enhanced. REXX also runs on several platforms.

There's no rule on when to use either one. I would suggest new code be written in REXX but not to worry about changing existing CLISTs to REXX.
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Re: What is Difference between CLIST & REXX

Postby MrSpock » Fri Aug 01, 2008 8:47 pm

A CLIST will only run from within TSO/E. While a REXX exec can also run from within TSO/E, it can also run within other environments, such as MVS, DB2, and CICS. Many products offer REXX extensions to allow custom automation code to be developed for them.
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Re: What is Difference between CLIST & REXX

Postby vinu78 » Thu Nov 06, 2008 1:36 am

Eventhough syntax wise both REXX and CLIST are almost same, REXX offers more builtin functions than CLIST.

Eg:
ISREDIT F 'ABC' ALL -----> code written in CLIST
"ISREDIT F 'ABC' ALL" -----> code written in REXX
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