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PIPE redirection as stream file ?
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pierre.bru@gmail.com
*nix forums beginner


Joined: 09 Sep 2005
Posts: 18

PostPosted: Wed Jul 19, 2006 11:51 pm    Post subject: PIPE redirection as stream file ? Reply with quote
hi,

PIPE redirection are "Record format: VFC, 2 byte header" files

I got a program the output some text followed by <CR><LF> and the
result is the the redirected output contains 2 records: the 1st
contains the data and the 2nd is empty

is it possible to change this behavior ?

TIA,
Pierre.
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Keith A. Lewis
*nix forums Guru Wannabe


Joined: 18 May 2005
Posts: 103

PostPosted: Thu Jul 20, 2006 5:29 pm    Post subject: Re: PIPE redirection as stream file ? Reply with quote
"Pierre" <pierre.bru@gmail.com> writes in article <1153353100.976519.4720@m79g2000cwm.googlegroups.com> dated 19 Jul 2006 16:51:41 -0700:
Quote:

PIPE redirection are "Record format: VFC, 2 byte header" files

I got a program the output some text followed by <CR><LF> and the
result is the the redirected output contains 2 records: the 1st
contains the data and the 2nd is empty

is it possible to change this behavior ?

I don't think so.

What you can do is keep an empty stream_lf file around, then convert with a
copy command.

$ copy empty_stmlf.txt,your_vfc.txt stmlf_product.txt

--Keith Lewis klewis {at} mitre.org
The above may not (yet) represent the opinions of my employer.
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David J. Dachtera
*nix forums Guru Wannabe


Joined: 21 Mar 2006
Posts: 197

PostPosted: Fri Jul 21, 2006 2:07 am    Post subject: Re: PIPE redirection as stream file ? Reply with quote
"Keith A. Lewis" wrote:
Quote:

"Pierre" <pierre.bru@gmail.com> writes in article <1153353100.976519.4720@m79g2000cwm.googlegroups.com> dated 19 Jul 2006 16:51:41 -0700:

PIPE redirection are "Record format: VFC, 2 byte header" files

I got a program the output some text followed by <CR><LF> and the
result is the the redirected output contains 2 records: the 1st
contains the data and the 2nd is empty

is it possible to change this behavior ?

I don't think so.

What you can do is keep an empty stream_lf file around, then convert with a
copy command.

$ copy empty_stmlf.txt,your_vfc.txt stmlf_product.txt

Here's another approach:

$ copy nla0: empty.dat
$ set file/attr=rfm=stm empty.dat
$ pipe command | append sys$pipe empty.dat

--
David J Dachtera
dba DJE Systems
http://www.djesys.com/

Unofficial OpenVMS Marketing Home Page
http://www.djesys.com/vms/market/

Unofficial Affordable OpenVMS Home Page:
http://www.djesys.com/vms/soho/

Unofficial OpenVMS-IA32 Home Page:
http://www.djesys.com/vms/ia32/

Unofficial OpenVMS Hobbyist Support Page:
http://www.djesys.com/vms/support/
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