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Top Forums Web Development problem with exporting vairable from one perl cgi to another perl cgi script while redirecting. Post 302599519 by DGPickett on Friday 17th of February 2012 11:00:43 AM
Old 02-17-2012
It is simplest if the first CGI generates a FORM that POST's with HIDDEN variables to the second CGI. (BTW, put the HIDDEN variables right after FORM so they are not dropped. I made an HTML page where the SUBMIT was early, the middle processing was slow and the HIDDEN were at the bitter end of the FORM, and if the SUBMIT was hit immediately when it appeared, the HIDDEN were not honored. Probably a bug, but be aware.)

If you want to redirect to a POST CGI, you probably cannot pass FORM variables when you use the HTML META redirect, but you can call it yourself (your service acting like a browser/client and connecting to the server of the second CGI) and pass the appropriate encoded variables after the HTTP header and pass all or part of the content from the response to send to the browser as the whole response or as part of your response page. In most cases, you can use URL-encoding, but not always. For instance, file uploads must use POST with MIME encoding.

BTW, I am not a PERL web guy, just an HTTP/HTML hacker, but it is best to know what the PERL is doing for you. It has nice libraries, but they are just code that reads and writes bytes of HTTP and often HTML through a web server to a socket to the browser. The web server just passes the header and socket info in the environment and socket to stdin CGI input, and checks your return status before putting of the first line of the HTTP header out and sending your stdout response.

Last edited by DGPickett; 02-17-2012 at 12:14 PM..
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AppConfig::CGI(3)					User Contributed Perl Documentation					 AppConfig::CGI(3)

NAME
AppConfig::CGI - Perl5 module for processing CGI script parameters. SYNOPSIS
use AppConfig::CGI; my $state = AppConfig::State->new(\%cfg); my $cgi = AppConfig::CGI->new($state); $cgi->parse($cgi_query); $cgi->parse(); # looks for CGI query in environment OVERVIEW
AppConfig::CGI is a Perl5 module which implements a CGI interface to AppConfig. It examines the QUERY_STRING environment variable, or a string passed explicitly by parameter, which represents the additional parameters passed to a CGI query. This is then used to update variable values in an AppConfig::State object accordingly. AppConfig::CGI is distributed as part of the AppConfig bundle. DESCRIPTION
USING THE AppConfig::CGI MODULE To import and use the AppConfig::CGI module the following line should appear in your Perl script: use AppConfig::CGI; AppConfig::CGI is used automatically if you use the AppConfig module and create an AppConfig::CGI object through the cgi() method. AppConfig::CGI is implemented using object-oriented methods. A new AppConfig::CGI object is created and initialised using the new() method. This returns a reference to a new AppConfig::CGI object. A reference to an AppConfig::State object should be passed in as the first parameter: my $state = AppConfig::State->new(); my $cgi = AppConfig::CGI->new($state); This will create and return a reference to a new AppConfig::CGI object. PARSING CGI QUERIES The "parse()" method is used to parse a CGI query which can be specified explicitly, or is automatically extracted from the "QUERY_STRING" CGI environment variable. This currently limits the module to only supporting the GET method. See AppConfig for information about using the AppConfig::CGI module via the cgi() method. AUTHOR
Andy Wardley, "<abw@wardley.org<gt"> COPYRIGHT
Copyright (C) 1997-2007 Andy Wardley. All Rights Reserved. Copyright (C) 1997,1998 Canon Research Centre Europe Ltd. This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. SEE ALSO
AppConfig, AppConfig::State perl v5.16.3 2007-05-30 AppConfig::CGI(3)
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