Yes, it was really bizarre. I pulled out my support call and found I was
wrong about the versions - it was broken in 6.0.2 and fixed after (at
least on Windows).

Here are my testing notes:

The only pattern I've found is that if I use SBClient and start a GUI  
 session then use "0" to get the command prompt the list.readu will
work.   
 If I start a windows telnet session at this time the list.readu will
also  
 work in that session. The SBClient session will stop working if I
return   
 to the menu (MM) and go to the TCL prompt (/TCL) whether or not a
command  
 is run. The windows telnet will continue to work until I close it and

 start a new session. If I have SBClient shutdown and create two windows

 telnet sessions the list.readu will not work. It looks like *something*
is 
 getting set with the SBClient session. 

Didn't get a lot of detail back from IBM something about a structure not
being initialized properly or at the right time. I did get a patched
.exe and .dll that resolved the problem. It was actually a fix for a
problem with selects....

Colin

>-----Original Message-----
>From: Kevin King
>
>That sounds a little bizarre.  Do you recall any details of 
>why this might have been so? 
>
>-----Original Message-----
>From: Alfke, Colin
>
>Ooops, I thing I forgot to mention. On some versions of UniData
>(5.2.4?) doing a /TCL in SB+ will cause UniData to not output 
>information with LIST.READU. I don't recall if there is also a 
>problem with GETREADU() - plus it's already in an array so you 
>don't have to trim and parse
>(truncated) data (unless you use the DETAIL modifier)..
>
>This was corrected in 6.0.2.
>
>Hth
>Colin Alfke
>Calgary, Canada 
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