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Strange EXEC function call in z/VM

 
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Willy Jensen

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Joined: 01 Sep 2015
Posts: 275
Location: Denmark

PostPosted: Wed Oct 05, 2016 2:07 pm    Post subject: Strange EXEC function call in z/VM
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Hi, I've started looking at z/VM and came across this, in my opinion, rather strange call:
Code:
st1 = "/EXEC ABC "||fn ft fm ||"(/"
"PIPE Stem s1.",                                                 
"| Spec "st1" 1 1-4 nw",                                           
"| > WORK FILE Z",                                                   
"| CMS"   


The program ABC does not return a value, it just does an EXIT, so how do 'st1' get set and to what? I'm also not quite sure what the slashes around the EXEC ABC are doing. No GLOBALVs that I can see.
I have checked both the VM REXX User's Guide and the zVM REXX Language Reference, but didn't find an explanation there.
My apologies is this is basic VM stuff, but I haven't touched VM for ages.
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10599
Location: italy

PostPosted: Wed Oct 05, 2016 2:19 pm    Post subject: Reply to: Strange EXEC function call in z/VM
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Code:
st1 = "/EXEC ABC "||fn ft fm ||"(/"


is just a plain REXX assignment statement
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Willy Jensen

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Joined: 01 Sep 2015
Posts: 275
Location: Denmark

PostPosted: Wed Oct 05, 2016 2:50 pm    Post subject:
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That's embarrassing - of course it is. But now I see what's going on, thanks
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10599
Location: italy

PostPosted: Wed Oct 05, 2016 5:16 pm    Post subject: Reply to: Strange EXEC function call in z/VM
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well sometimes You have to look twice at things to see what is going on,
as I had to in this case icon_wink.gif
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