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POOpen a piped process (sqlplus) in perl and get information from the query?
 

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    <p>Basically, I'd like to <code>open</code> a pipe to sqlplus using Perl, sending a query and then getting back the information from the query.</p> <p>Current code:</p> <pre><code>open(PIPE, '-|', "sqlplus user/password@server_details"); while (&lt;PIPE&gt;) { print $_; } </code></pre> <p>This allows me to jump into sqlplus and run my query.</p> <p>What I'm having trouble figuring out is how to let Perl send sqlplus the query (since it's always the same query), and once that's done, how can I get the information written back to a variable in my Perl script?</p> <p>PS - I know about <code>DBI</code>... but I'd like to know how to do it using the above method, as inelegant as it is :)</p> <hr /> <p>Made some changes to the code, and I can now send my query to sqlplus but <strong>it disconnects</strong>... and I don't know how to get the results back from it.</p> <pre><code>my $squery = "select column from table where rownum &lt;= 10;" # Open pipe to sqlplus, connect to server... open(PIPE, '|-', "sqlplus user/password@server_details") or die "I cannot fork: $!"; # Print the query to PIPE? print PIPE $squery; </code></pre> <p>Would it be a case of grabbing the <code>STDOUT</code> from sqlplus and then storing it using the Perl (parent) script?</p> <p>I'd like to store it in an array for parsing later, basically.</p> <p>Flow diagram:</p> <p>Perl script (parent) -> open pipe into sqlplus (child) -> print query on pipe -> sqlplus outputs results on screen (STDOUT?) -> read the STDOUT into an array in the Perl script (parent)</p> <hr /> <p><strong>Edit</strong>: It could be that forking the process into sqlplus might not be viable using this method and I <em>will</em> have to use DBI. Just waiting to see if anyone else answers...</p>
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