John,

What about removing the subdirectory ? I would assume like a br14 
mod,delete,delete...
Dynamic creation also would be nice somehow 

Scott ford
www.identityforge.com
from my IPAD

'Infinite wisdom through infinite means'


> On Dec 8, 2013, at 11:34 AM, John McKown <[email protected]> wrote:
> 
> This may be an "iffy" one.But I'll throw it out for discussion (and if
> nobody wants to discuss, then I have my answer).
> 
> I have an "automount" directory at /tmp2 . For a UNIX shell, I set all the
> TMPxxx type environment variables to "/tmp2/&SYSUID". This makes the
> default temporary UNIX subdirectory for each user to be unique. I do this
> so that some "hog" of a user can't use up the temp space for other users.
> I.e. they can only shoot themselves in their own foot, not somebody else's.
> 
> Therefore, in a batch job, I can also use
> PATH='/tmp2/&SYSUID/some-file.txt', ... However, what I would kind of like
> to do is create a separate subdirectory for a job based on the job name. In
> most shops, this would likely ensure that two concurrently running jobs
> would not contend over a file name. Yes, I know that I could use
> PATH='/tmp2/&SYSUID/&JOBNAME-some.file.txt', but I would prefer
> PATH='/tmp2/&SYSUID/&JOBNAME/some.file.txt'. Just another personal oddity.
> The problem is that there is no way to dynamically create a subdirectory
> via JCL. So I was thinking that a new PATHOPTS might be useful. Something
> like O_MKDIR which would tell the initiator to do the equivalent of a
> "mkdir -p /tmp2/&SYSUID/&JOBNAME" and then create the file in that
> subdirectory.
> 
> The only problem I can envision (and there are likely more), is that the
> JCL coders decide to just make O_MKDIR a standard for use on every DD which
> is for a UNIX file. Which could result in subdirectories which are not
> really wanted if the JCL coder mistypes something. Of course, the internal
> "mkdir" should be done using the RACF id / UID of the job's OWNER, and not
> the initiator. Which would hopefully stop somebody from creating UNIX
> subdirectories and files where they don't belong. Also, I'm not sure what
> the UNIX mode bits should be for any created subdirectories. At the least,
> they should be 7??. I.e. at least read-write-execute for OWNER.
> 
> In the interim, I guess I'm stuck with
> '/tmp2/&SYSUID/&JOBNAME-some.file.txt'.
> 
> -- 
> This is clearly another case of too many mad scientists, and not enough
> hunchbacks.
> 
> Maranatha! <><
> John McKown
> 
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