How to call another cgi program to return a variable

<db> · 04-26-2006, 06:39 PM

Anyone with ideas how to return variable from another program?

If program1.cgi contains line $var1 = 1 + 2;, how can I read the $var1 from program2.cgi? Programs are located on different servers.

Thanks,
<db>

paulsm4 · 04-26-2006, 07:06 PM

Effectively, you can't.

The dialog is between the client and your CGI program. If you wanted to communicate with another CGI program, you'd effectively have to become another client (i.e. make an HTTP connection to the other CGI, write any GET or POST variables you wanted to send it, and read back the results).

<db> · 04-26-2006, 07:55 PM

Actual problem is this:
program1.cgi must print $number amount of images to webpage, but the pictures are on another server. I was thinking if I could write little script (program2.cgi) to my image server, which would return the image quantity when called from program1.cgi
Any better ways to approach this?

<db>

bigearsbilly · 04-27-2006, 03:36 AM

just use a remote procedure call, or create a server on the other machine
over a socket.
2 cgis isn't the way to go I'd say.