Re putenv(). getenv

[Richard Kreiss]

Top post:

I realized that after sending the post and created a file with a single
record to handle this and someother values needed further on down the
processing chain.

Tanks for the reply.

Richard

> -----Original Message-----
> From: Filepro-list [mailto:filepro-list-
> bounces+rkreiss=verizon.net at lists.celestial.com] On Behalf Of Fairlight
> Sent: Monday, January 12, 2015 11:51 PM
> To: filepro-list at lists.celestial.com
> Subject: Re: Re putenv(). getenv
> 
> You didn't do a great job describing the flow, but if my educated guess is
> correct, the first dreport sets the env var, and the second tries to use
it?  If
> so, that will never work.
> 
> Env vars are inherited.  The batch file -never sees- any env var set by
> dreport.  Those env var settings only exist from dreport on down through
> any children run by system(), -under- the instance where they're run.
> 
> You can pass env vars downwards, but never back upwards again, and they'll
> never be shared by processes at the same child-level of process if they're
> first set by one process at that shared level.  They'd have to pre-exist,
and
> even then no changes would actually propogate to the other commands
> called at the same level.  "Upwards" could be used to describe anything
run
> at the same level, because you pop down a level inside dreport, and then
> back up a level upon its exit.
> 
> mark->
> 
> On Mon, Jan 12, 2015 at 04:38:45PM +0000, Richard Kreiss thus spoke:
> > I have a -v select process which counts the number of records selected.
> >
> > When @done executed:
> > @done  ? If:
> '**********************************************************
> ******
> >        Then: '*
> >  88  -------   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -
-
> >        ? If:
> >        Then: MSGBOX "Creating RecordCount of"<rs
> >  89  -------   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -
-
> >        ? If:
> >        Then: putenv "RecordCount",rs
> >  90  -------   -   -   -   -   -   -   -   -   -   -   -   -   -   -   -
-
> >        ? If:
> >        Then: MSGBOX "Count is"<getenv("RecordCount")
> >
> > The first message box shows the records count/ The next msgbox reads
> > back the environmental variable created and shows the same amount.
> >
> > I need to pass the parameter to another process which is running from
the
> batch file.
> > @Echo off
> > Title Test of Sequencing
> > Echo Deleting Demand Index 0
> > dprodir transaction -I 0
> > dreport transaction -f sort_sequence -v sel_sequence -a -y !! -ik -o0
> > -u set RecordCount @pause @echo About run sequence program @pause
> > %pfprog%/fp/dreport library -f do_sequence -sr "1" -u -db
> >
> > As Ken has often stated, the environmental variable can only be passed
if it
> is with the same working environment.  i.e. filePro's variables set in
startup
> file.
> >
> > When the sel_sequence ends and returns to the batch file which then
> executes set RecordCount, I get the error message:
> > C:\DATABASES\CCP>set RecordCount
> > Environment variable RecordCount not defined Press any key to continue
> > . . .
> >
> > Why if prior to exiting, RecordCount exists as a variable which is set,
should
> it disappear as a set variable at the command line?
> >
> > Richard Kreiss
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