Re^2: Unwanted parameter when executing CGI scripts

Well, I think that

$q->delete('keywords') if $q->keywords;

will delete the "keywords" parameter in every case, i.e. regardless if it has been automatically generated by CGI.pm or if it actually has been passed via query string. But as I wrote in my initial post, I would like to remove it only in the former case (for example when the script has been called without any parameters), but I want to keep it if it has been "actively" passed via query string.

Thus, I think I really have to check if there is no query string, or if there is a query string which does not contain = or &, and remove the "keywords" parameter accordingly.

Anyways, thank you very much for your suggestion. I have learned a much from how you use dd and Data::Dump.

Regards,

Nocturnus

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Re^3: Unwanted parameter when executing CGI scripts by Anonymous Monk on Jan 05, 2013 at 09:19 UTC
will delete the "keywords" parameter in every case, i.e. regardless if it has been automatically generated by CGI.pm You're wrong :) I didn't read past that statement, but if you need convincing you are wrong, read the CGI.pm source	[reply]
Re^4: Unwanted parameter when executing CGI scripts by Anonymous Monk on Jan 05, 2013 at 09:21 UTC
On second look, read Re: Unwanted parameter when executing CGI scripts again and look closely at the data, it proves you're wrong :)	[reply]
Re^4: Unwanted parameter when executing CGI scripts by Nocturnus (Scribe) on Jan 05, 2013 at 16:24 UTC
OK, I am sorry. You are right (no need to read the source code, only the documentation ...). Interestingly, the delete method seems to remove the respective entry only from $q->params, but not from $q->url_params (now guess which of the two I (have to) use). This is not documented in the CGI.pm documentation as far as I have seen. But that's not a big problem. I just will use one of the usual methods to remove the respective hash entry. Besides this, I didn't get your code to work like I want. Perhaps I have another error, but at the moment it seems that $q->keywords is empty if the script is called without any parameters, so $q -> keywords evaluates to false in this case, and the code doesn't get executed anyways. Regards, Nocturnus	[reply]
Re^5: Unwanted parameter when executing CGI scripts by Anonymous Monk on Jan 06, 2013 at 01:25 UTC
:D Interestingly, the delete method seems to remove the respective entry only from $q->params, but not from $q->url_params (now guess which of the two I (have to) use). You know what :) you don't really have to :) there are many options, patch CGI.pm, monkeypatch CGI, fix code .... Besides this, I didn't get your code to work like I want. Perhaps I have another error, but at the moment it seems that $q->keywords is empty if the script is called without any parameters, so $q -> keywords evaluates to false in this case, and the code doesn't get executed anyways. Yeah, if there are no keywords, don't delete keywords -- makes sense to me :)	[reply]
Re^6: Unwanted parameter when executing CGI scripts by Nocturnus (Scribe) on Jan 07, 2013 at 08:26 UTC