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Full Discussion: Multiple co-processor file descriptors
Top Forums Shell Programming and Scripting Multiple co-processor file descriptors Post 64572 by tmarikle on Tuesday 1st of March 2005 06:30:17 PM
Old 03-01-2005
Question Multiple co-processor file descriptors
I have a script that creates a KSH co-process for Oracle sqlplus and I am presently interacting with it via print -p and read -p.

I also need to interact with another Oracle database what isn't permitted to have any direct connection to the first. Presently, I simply disconnect from the first database, connect to the second database, and reconnect to the first database when I am finished, again using print -p and read -p.

I would like to enhance this a bit using a second co-process. I know how to create the second sqlplus co-process by first redirecting stdout and stdin for the first co-process using exec fd>&p and exec fd<&p. Then I can create the second co-process and interact with both.

My desire is to write a db_connect function that is capable of determining that a co-process has already been started and a new co-process with new file descriptors needs to be started. Along with this, I would like to dynamically determine which co-process to communicate to using generalized functions.

Any thoughts? Can the open file descriptors be tested? The version of KSH is KSH-88 I believe.

Thomas
 

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LEARN ABOUT DEBIAN

sql::reservedwords::oracle

SQL::ReservedWords::Oracle(3pm) 			User Contributed Perl Documentation			   SQL::ReservedWords::Oracle(3pm)

NAME

       SQL::ReservedWords::Oracle - Reserved SQL words by Oracle

SYNOPSIS

	  if ( SQL::ReservedWords::Oracle->is_reserved( $word ) ) {
	      print "$word is a reserved Oracle word!";
	  }

DESCRIPTION

       Determine if words are reserved by Oracle Database.

METHODS

       is_reserved( $word )
	   Returns a boolean indicating if $word is reserved by either Oracle7, Oracle8i, Oracle9i or Oracle10g.

       is_reserved_by_oracle7( $word )
	   Returns a boolean indicating if $word is reserved by Oracle7.

       is_reserved_by_oracle8( $word )
	   Returns a boolean indicating if $word is reserved by Oracle8i.

       is_reserved_by_oracle9( $word )
	   Returns a boolean indicating if $word is reserved by Oracle9i.

       is_reserved_by_oracle10( $word )
	   Returns a boolean indicating if $word is reserved by Oracle10g.

       reserved_by( $word )
	   Returns a list with Oracle versions that reserves $word.

       words
	   Returns a list with all reserved words.

EXPORTS

       Nothing by default. Following subroutines can be exported:

       is_reserved
       is_reserved_by_oracle7
       is_reserved_by_oracle8
       is_reserved_by_oracle9
       is_reserved_by_oracle10
       reserved_by
       words

SEE ALSO

       SQL::ReservedWords

       <http://www.oracle.com/technology/documentation/>

AUTHOR

       Christian Hansen "chansen@cpan.org"

COPYRIGHT

       This program is free software, you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.8.8							    2008-03-28					   SQL::ReservedWords::Oracle(3pm)
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