On Wed, 30 Mar 2016 16:54:46 -0500, Janet Graff wrote:
>
>...  ISTR that mixing MVS and USS files on a DD allocation is not allowed but 
>I'm not sure how else to do this?
> 
It is allowed for HLASM SYSLIB.  Binder explicitly prohibits any UNIX directory 
in
a concatenation.  It sort of works but is unsupported for SYSEXEC.  I haven't
tried it in STEPLIB; I'd bet against it.

It usually works for sequential data sets except that some persnickety utilities
perform a gratuitous check on device type and reject UNIX files.  Some of those
such as AMATERSE can be fooled by preconcatenating an empty temp PS data set.
I believe IEBCOPY will not accept any UNIX file as PDSU.
             
>//         DD  PATH='/u/Java6_31/J6.0/bin/j9vm/',    
> ...
>Also I'm not sure if the ending slash is necessary.  ...
> 
It has no effect on a directory; it's prohibited on a basefile (which your 
example
seems to be -- I'd expect an allocation failure).  It might be used to force an 
error
if a basefile is inadvertently supplied where a directory is expected.

-- gil

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