There's not a way to have it redirect the output to the console. However,
you could redirect the stdout output to a file using the STDOUT option on
the PROCESS START request. Then you could use tail to periodically view
the stdout file by submitting another PROCESS START request to run tail on
the stdout file. For example:
STAF host1 PROCESS START SHELL "SomeLongScript.sh" WAIT RETURNSTDOUT
STDERRTOSTDOUT STDOUT /tmp/SomeLongScript.out
STAF host1 PROCESS START SHELL "tail -n 20 /tmp/SomeLongScript.out" WAIT
RETURNSTDOUT STDERRTOSTDOUT
Or, you could use something else to view the file contents like submitting
a "STAF host1 FS GET FILE /tmp/SomeLongScript.out" request but if the file
contents could be very large then you don't want to be getting the entire
contents of the file as a single string using a FS GET FILE request as
that will use a lot of memory).
There is a STAF feature request open on SourceForge that would enable this
to be done in another way (but it is not implemented yet and I don't know
when we'll have time to do it). Note that anyone can contribute code to
the STAF project. For more information on this open STAF Feature, see
Feature #523877 "Add open/read/write/close support to FS" at
http://sourceforge.net/tracker/?func=detail&aid=523877&group_id=33142&atid=407384
.
Note that you can search the STAF forums (select "Search forums" from the
navigation column on the left of http://staf.sourceforge.net) to search
for forum entries with say "tail" and you'll see this question asked by
others and already answered. For example, see the forum posting titled
"Retrieving outpu from remote machine" at
https://sourceforge.net/projects/staf/forums/forum/104046/topic/6892244.
Other forum posting that talk about this solution include
https://sourceforge.net/projects/staf/forums/forum/104046/topic/3246048
and
https://sourceforge.net/projects/staf/forums/forum/104046/topic/3206662.
--------------------------------------------------------------
Sharon Lucas
IBM Austin, luc...@us.ibm.com
(512) 286-7313 or Tieline 363-7313
From: Parag Manjrekar <reachpar...@gmail.com>
To: staf-users@lists.sourceforge.net,
Date: 05/09/2013 01:38 AM
Subject: [staf-users] STAF process command output Vs SSH execution
output
Is there any mechanism where for some execution of long running scripts
can
redirect their stdouts/stderror to the system issuing the command ?
e.g STAF HOST1 PROCESS START SHELL "SomeLongScript.sh" WAIT RETURNSTDOUT
RETURNSTDERR - showing the the output "as is it" comes to terminal ?
just like you execute via SSH using command
e.g ssh user@HOST1 SomeLongScript.sh
I observe that in case of staf the remote buffer are obtained only when
command exits. but end user cannot gauge if things are happening fine via
script.
I can see one way of modifying "SomeLongScript.sh" to generate message in
form
of queue to calling machine. But that cannot be feasible all the times.
can some solution like REDIRECT be a solution.
Also if there is any solution already existing, please share as I see lots
of
forum seeking for help.
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