There are two versions of ePerl:

The former is a C wrapper around a perl module. The latter is written entirely in perl.

I was using Ralf S. Engelschall's version until now, because it is in Debian repositories. However, I wanted to return an HTTP 500 code upon error, so that Google would't index errors (as it currently does). It is hard-coded in the C code. Rather than recompiling, I tried the newer version from MarginalHacks. The error code is hard-coded as well, but it is in Perl, so easier to rewrite and to link with my standard error code.

I had to modify my shebangs (#!/usr/bin/eperl.pl --mode=CGI is fine), and also to correct an error in eperl.pl by adding


inside the

if ($opt{'mode'} ne "f") {

block (that is, between lines 220 and 224), because we don't want to use the HTTP path passed as argument in CGI mode, but rather the script file name.

Unfortunately, I quickly noted that this new ePerl looses STDIN data. That means, no POST data available in the script: and I use that for comments and contact. There is a -t argument, but it had no effect for me. I'll stick to the old ePerl for the moment, and try to make sure my code runs fine, but I'll need to have a closer look into what happens exactly with input sooner or later.

Xavier Robin
Publié le dimanche 13 juin 2010 à 18:32 CEST
Lien permanent : /blog/2010/06/13/eperl
Tags : Mon site web Programmation
Commentaires : 0


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