cat DD:  isn't documented as supported?  :-)

what about "cp //DD:xxx /dev/fd1" - is that the shell?

On Tue, May 5, 2020 at 3:50 PM Paul Gilmartin <
0000000433f07816-dmarc-requ...@listserv.ua.edu> wrote:

> On Tue, 5 May 2020 13:12:44 -0500, Kirk Wolf wrote:
> >
> >"deploy" ?
> >
> "employ"?
>
> >ISTR that this is your favorite example of using DD's in the shell :-)
> >
> >cat //DD:MYDD
> >
> o FSVO "favorite".  See Appendix K of the Command Ref.  It's not
>   supported; it may work by happenstance; if it breaks you get to
>   keep both parts.
>
> o If it happens to work it's because of "cat" and not "sh".  I'd
>   expect it to behave alike under "bash".
>
>
> >On Tue, May 5, 2020 at 9:17 AM Paul Gilmartin wrote:
> >
> >> On Tue, 5 May 2020 08:56:59 -0500, Kirk Wolf wrote:
> >>
> >> >FWIW, I would love to use bash exclusively on z/OS, but without
> >> >_BPX_SHAREAS support:
> >> >
> >> >-  there are things that you just can't do, like use DDs
> >> >
> >> Where does a shell employ DDs?
> >>
> >> >-  the overhead for forking new address spaces is significant for many
> >> >tasks.
> >> >
> >> That seems to be an argument for retaining _BPX_SHAREAS support.
> >> And for a shell's using spawn() where possible rather than fork().
>
> -- gil
>
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