Me, although i don't think it's async and i don't know if there's an easy way to In 10G, you can do this with the scheduler package, can't you? this worked for Your help will be appreciately greatly as usual. What are the pre-requsites to do this successfully.? I tested this in Oracle_HOME as well as /tmp (as he did) - but I am getting a FAILED status for the job defined exactly like he did. I am having problems with this - although Jeremy claimed (see below.) that he could do it. This is an example - it needs to be more robust. If you run this as the oracle account and someone sends "rm -rf *" - watch out.
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It does absolutely no checking anywhere that only valid commands are executed. Make sure you understand the ramifications of the above. "host( echo some string )" and you'll get real time feedback from your pl/sql Where the shell script is running (shows you a way to debug pl/sql routines, use You'll see the output of ls -l, uptime, and echo happen on the other window Run this in one window for example and in If you run this in the background (The script), you'll be able to have itĮxecute any host command you want.
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Status := dbms_pipe.receive_message( 'HOST_PIPE' ) ĭbms_output.put_line( '#!/bin/csh -f' ) ĭbms_output.put_line( '#exec host.csh' ) the last thing these tmp.csh scripts do is re-run host.csh to get the next request. it will create temporary scripts "tmp.csh" that it will run. host.csh will be run by you after the db is up.
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Here is a C-Shell script you can run in the background, it should be named host.csh. If ( status 0 ) then raise_application_error( -20001, 'Pipe error' ) Status := dbms_nd_message( 'HOST_PIPE' ) Here is a PL/SQL subroutine you canĬreate or replace procedure host( cmd in varchar2 ) Here is a simple example that uses sqlplus to be the daemon:Ī quick and dirty way to do this is with a csh script and sqlplus as such (cut O In Oracle7.0 and up, we can use dbms_pipes to talk to a daemon running outside the database. (see attached for an external procedure example) O In Oracle8.0 and up, we can write an external procedure in C that runs host commands with system() and the "&". O In Oracle8i, release 8.1, we could use java to run a system command with an "&" after it (assuming unix) or perhaps "start xxx.cmd" if using NT. I can think of a couple of different ways.