Can Rexx replace clist



IBM's Command List programming language & Restructured Extended Executor

Can Rexx replace clist

Postby GeorgeQ » Thu Jun 22, 2017 5:02 am

Hello.

Rexx is upgrade version of Clist, My question is if REXX an totally replace/cover clist?

Because I want to learn rexx/clist. Can I skip clist and only learn rexx will that be enough to handle both rexx and clist knowledge?


Thanks
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Re: Can Rexx replace clist

 

Re: Can Rexx replace clist

Postby NicC » Thu Jun 22, 2017 3:07 pm

Clists and Rexx are 2 diffferent languages - one is not an "upgrade" of the other.
Concentrate on Rexx - it is easier (to me anyway) and pfobavly more powerful. You can also get a version that can run on your PC at home so you can learn outside of work hours.

Beware, though - the mainframe version your file handling is different from the PC. On the mainframe you use an external function - EXECIO. On the PC you can use the Linein and Lineout or Charin and Charout. OORexx on the PC has a minimal version of EXECIO.
The problem I have is that people can explain things quickly but I can only comprehend slowly.
Regards
Nic
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Re: Can Rexx replace clist

Postby willy jensen » Thu Jun 22, 2017 4:39 pm

I agree with Nic. There are few special cases where CLIST is better, but in general REXX is by far the better product. And much easier to work with too.
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