ng table.
And I think it is useful from time to time to take a
quick review of "Perl Coding as Profession" and
specifically it's applicability to 'web technologies'.
That helps folks work out which side of the interviewing
table they prefer to work on, and what they shoul
basic 'write me a perl code implementation
of say the towers of hanoi problem or this or that,
and one check for how they deal with an ambiguously
worded coding problem - hence whether they should
be looking before leaping - and then one catches
their basic issues with actually doing per
necessary entry into the database.
If all of the items that can be placed in the cart are
on one page, then you seem to have your solution here.
The trick becomes if one has to create a "shopping cart"
that will persist over several web page presentations.
ciao
drieux
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at exactly
you are trying to do in the process.
Do you really like having a declared cgi-bin directory?
ciao
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<http://learn.perl.org/> <http://learn.perl.org/first-response>
-)
If all you need is a "form mail" then check out
<http://cvs.sourceforge.net/viewcvs.py/nms-cgi/formmail/>
but it rests on even 'older' technology than the
Mail::Mailer modules...
ciao
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port
As such the code is not setuid to Root.
So you might want to think about whether what you
want to integrate with webmin should be accessible
from a public cgi_bin directory anyway.
ciao
drieux
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On Dec 9, 2003, at 9:53 AM, Octavian Rasnita wrote:
Can you give me a short example about how I should create that loop?
a strategy I proposed over on the beginner's list
would look like say:
<http://www.wetware.com/drieux/pbl/Sys/gen_sym_big_dog.txt>
That of course was built for a c
process_broken_cgi($CGI);
}
This way only the 'widgets' that need to be 'hidden'
are actually shipped out in the html... This way you
can also 'grow' your Dispatcher as you need to,
and add functionality as required...
ciao
drieux
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your interface ...
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<http://learn.perl.org/> <http://learn.perl.org/first-response>
be available after that.
So a part of the question is 'which resources'
are you trying to presever in the process, I may
be missing that in all of this...
CGI.pm has perchance the most complex of the
autoloading/importing strategies in the whole
perl distributions. It is part black maji
quot;
);
in the morning you may be able to look at the rest of
the stuff after the ';' where you had the '...' since
the above generates what you say you want that part to
do. It might be that you will want to start the
next section with it's own print sequence?
ciao
drieux
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at the
same time RFC2822 was reserved for the expected
day when an extension would be needed for things
no one could think about in those dark days when
we all beat out code the old fashion way with a stick
on a flat rock... And Consensus was based upon the
last person standing and all of tha
27;die' in some module, or data was incorrect
I would be able to
return(generic_error_page($error_message))
if ( $went_wrong_here );
this way I can sort out what is going on in smaller chunks
of code that build up modules...
ciao
drieux
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e php executable.
you might want to check one of the traditional php
web-sites about the gory details.
ciao
drieux
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On Friday, Nov 7, 2003, at 17:12 US/Pacific, Tobias Fink wrote:
[..]
but what i didnt want to do is something like this:
my $response =
$ua->get("http://search.cpan.org/
search?query=$query&query2=$query2etc");
because this only works for http-get.
Isnt it possible to create a header that works
t;;
};
print "some other stuff";
So you might want to attack the problem along that line.
ciao
drieux
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On Sunday, Nov 9, 2003, at 09:24 US/Pacific, lanzaroto wrote:
Le dim 09/11/2003 à 17:44, drieux a écrit :
On Sunday, Nov 9, 2003, at 08:08 US/Pacific, lanzaroto wrote:
while({$id, $nom, $prenom, $email} =
$STH->fetchrow_array){
$REQ-
while' at or near line 90?
and should that be
{$id, $nom, $prenom, $email} = $STH->fetchrow_array
or perchance
($id, $nom, $prenom, $email) = $STH->fetchrow_array
ciao
drieux
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: The Definitive Reference",
since I have found it IMPERATIVE. There is stuff
that is allowed in one DOM but not another, of
the three of them.
cf:
<http://www.wetware.com/drieux/CS/Proj/TPFH/gen_doc.html>
for my default listing of books one might as well just
break down and put on the s
my assumption is that the 'frames' were set up with something like:
ciao
drieux
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problem,
it is in this foreach loop that the decision is made
whether code is "deletable" - hence
if ( $removeby > &date_to_delete($id))
{
print SAVEDB "$line\n";
next;
}
and just make sure that you did the appropriat
the 'get()' method is to construct the HTTP::Request object,
( cf HTTP::Request ) and pass that object:
$request = HTTP::Request->new('GET', 'http://search.cpan.org/');
# and then one of these:
$response = $ua->request($request);
so yes, the line is b
f information'
c. $h - the 'http header stuff' - since that's from a 'hey,
let us use HTTP as our session layer to call other
services from other web-browsers' chunk of code
This way I can also check things like what the 'stat
token.
whereas
$qty[$i] = $q->param("qty$i");
would probably Allow the string to be interpolated as
"qty0" which is what you seem to want.
ciao
drieux
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unable to open ./Images/junk_not_here.jpg :No such file or directory at
junk.plx line 12.
[jeeves: 11:]
the former being the '-B' failure, the later being
the die on the open...
which are the two features you noted.
HTH.
ciao
drieux
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e numeric!\n" unless ( $radius =~ /^\d+$/);
etc, etc, etc...
ciao
drieux
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'browser'
side that it be 'coherent'.
One solution is start 'simple' with writing
the Java Script out in 'chunks' as a part of
the basic html and see if it still does what
you want when called.
ciao
drieux
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doing
my $fh = $query->upload('uploaded_file');
while (<$fh>)
{
#
# stuff we do with that reference to the uploaded file
#
}
unless you are really want to play with the $query->param()
and the other method calls...
HTH.
ciao
drieux
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methods, and then the sub_classes add in the
additional ones, and... and... and
my $funkMgr = new Foo::Bar::Baz::FavFuncs;
my $foo_bar = $funkMgr->fon_gu_lea(@arglist);
will seems a reasonable exchange.
But you will probably want to check out Randall Schwartz's new
boo
2xs
perldoc perlsub
perldoc perlmod
perldoc perlmodlib
and you might as well pick up the learning perl references
and modules book.
ciao
drieux
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On Wednesday, Sep 24, 2003, at 11:39 US/Pacific, Bill Teschek wrote:
HTH,
Thanks for responding. My questions at this point are more in
line with how to get a script file to work with perl on our webserver.
I'm been doing static HTML for years now but have just never ventured
into cgi and per
p at
<http://www.wetware.com/drieux/CS/Proj/TPFH/gen_doc.html>
Getting a feel for Perl itself is best done with something
like the Learning Perl book. You will of course want
something like the Learning Perl in WIN32
<http://www.oreilly.com/catalog/lperlwin/>
that should help you ove
y useful.
return({ runtime_error =>
"Problems connecting to $host_port got status: $@" }
) if ( $wrapper_flag );
\$page;
This way all of the cgi code that will come through this module
has to deal with the fact that ex
pened
b. what the alternatives are at this point
c. will conform with the rest of the style of your web pages
just a quick knickle tour - I of course will defer to Randal
to go into more detail if required.
ciao
drieux
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e
ciao
drieux
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your
cgi code was installed.
Some folks set those as 777 and leave it all to the gods
that no one will abuse that reality. This is less and
less acceptable on more and more web-sites. Prudence
generally dictates 755 where other members of your group
and the rest of the world can read and exec
created a directory and chown'd it to
user admin, so even those I and admin are in the same
group, I can not create files in the directory because
only the user admin has write permission on the directory.
eg:
[jeeves: 3:] ls -ltra
total 0
drwxrwxrwx 29 drieux house 986 Sep 17 15:59 ..
drwxr-xr-
ry
outside of where you have the actual CGI
open(FILE, "> ../tmp/newfile.txt") || die("newfile.txt: $!");
so you layout would look like
../cgi_bin/my.cgi
../tmp/newfile.txt
Or you may want to look at say
perldoc IO::File
and specifically new_tmpfi
more
hassle than most folks want to be working with.
ciao
drieux
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is still good,
and which data in it is 'dead wood' that needs to be purged.
One trick to think about is
move DB_File to OLD_DB_file
create TMP_DB_FILE
traverse OLD_DB_FILE and write to TMP_DB_FILE
move TMP_DB_FILE to DB_FILE
ciao
drieux
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the form.html send email to a
special email account say 'the_web_page_account'
then have an application deal with email to that
account... It could be run as a cron job and send
your account a summary of things about that account.
ciao
drieux
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RVOUS. My normal habit is
make it work
congeal together what is common to all
If they really have a common base not unique to this project
then distill that common base out for re-use...
at which point, I fear I agree with the YA_CGI_AppServer
notion for, as
quest Method
#
}
make_header_and_send($page_type, $page);
so that of course yearns to be in a module, rather than
as something one would cut and paste into each new CGI script...
But looking at your diagramme, I think I can see why you
are pointing towards
'-b' : boot|begin
'-k' : kill|klose
hence 'daemon -b' will start the daemon, and if it
already knows where the pid file is going to be, it
will then check to see if another daemon of it's type
is running, and either defer to the existing one, or
tell it
print &header;
print "Hello world";
should work since the CGI::header() will put the additional
CRLF in play and separate them...
You do have the #! line with the -w flag set?
ciao
drieux
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2003, at 15:45 US/Pacific, Wiggins d'Anconia wrote:
[..]
Without that all the claims you make to checking everything are
suspect
bad hair day there wiggins?
THWACK! THWACK! THWACK
did that help loosen up the dandruf.
ciao
drieux
---
the simple code:
### #!/usr/bin/perl -w
### use
..
};
sub should { defined($REQ_PARAMS->{$_[0]}); }
sub doDaemon {
}
sub kickDaemon { $me=shift; $me->doDaemon(@_); }
# the synonym trick...
Which still gives me a HASH to manage, plus the actual Sub.
ciao
drieux
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On Thursday, Sep 11, 2003, at 05:51 US/Pacific, fliptop wrote:
[..]
drieux - since no one has responded, i'll take a stab at some of the
issues you bring up.
[..]
Thanks for the feed back.
In the code that I implemented, I did not use the Closure
to 'wrap' my Package - but I
that it should
pass the data to the function, and then return it out,
oh, say STDOUT. Trust me it can be done, but it is such
an ugly path that it should be left for the strictly
obfuscatory Perl Contest.
ciao
drieux
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On Wednesday, Sep 10, 2003, at 12:14 US/Pacific, Rodrigo Daniel de Lira
wrote:
hi,
Can I to call a function that is in another script?
not easily.
the best solution is to go with a perl module.
ciao
drieux
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that you may want to download and look at. One of
them is <http://www.webmin.com/> which is in perl
b. you might want to use the 'plx' extension, so that
everyone knows that 'server.plx' is intended to be a
perl
On Monday, Sep 8, 2003, at 22:57 US/Pacific, Greenhalgh David wrote:
[..]
I refer you to the answer I received from Drieux to (almost) exactly
the same question.
---Drieux's code---
#!/usr/bin/perl -w
use strict;
use Fcntl qw/O_CREAT O_RDWR O_EXCL O_RDONLY/;;
e Closure it is still package 'main'???
The demonstration code that goes with my longer
write up of my 'issues' -
cf <http://www.wetware.com/drieux/CS/Proj/TPFH/a_bci.html>
started out Strictly as a simple illustratoin of
how a command line interface piece of code CAN be writt
template is found at:
<http://www.wetware.com/drieux/pbl/perlTrick/drieuxTemplates/DoCmd.txt>
This way I can work out the basic semantics for what most of
the cases of
foo | bar
will work out to be...
or do you mean pipe as in
pipe(CHLDr, PRNTw);
pipe(PRNTr, CHLDw);
r>
}<br>
}<br>
d=new Date();<br>
s=Math.round(d.getTime()/1000);<br>
r=Math.round(parseInt(n,32)%1021);<br>
if (lck!=l) {<br>
document.write('<meta http-equiv="Expires" content="-1">');<br>
if (location.search.indexOf('r'+r+'=')!=1) {<br>
location.replace('http://
'+location.hostname+location.pathname+'?r'+r+'='+s);<br>
}<br>
}<br>
ciao
drieux
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stuff in the head element.
ciao
drieux
---
my $text ='
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd";>
The J Group
<br>
<!--<br>
pre { font-size: 14px; font-weight:bold }<br>
//--><br>
http://www.wetware.com/dr
have more and more
quick fix scripts
already to fire 'the next time' as well as a leg up on
making sure that there is a better way to 'do it right
the first time'.
ciao
drieux
---
It could just be my OCD, but if I could have hammered
flat every FROOOTLOOP who wanted merely a
}
print $line ;
}
but this assumes that the start and stop tags do not have
something else on the same line with them - eg
ciao
drieux
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print "@$forwarded\n"; # print ${$forwarded};
}
also it is simpler to just 'dereference' the array directly.
ciao
drieux
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gure
documentation will allow you some modicum of sane
web based email sending...
ciao
drieux
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in my case, it was just simpler to leave those problems
to the sort of traditional 'unix' solution of 'clearing out /tmp'
when we reboot...
The core problem the OP still needs to work out is:
so why are you caching in little files
that can be abandoned/marooned on the file system?
ciao
drieux
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rts
asking one's self,
is this an order N square or N factorial solution?
while in the worst case the cron job based solution
is merely an order N problem...
ciao
drieux
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ation as DB records,
then running a purge routine on the 'old records'?
ciao
drieux
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with the learning
book, before falling in amongst 'the diseased' You were warned. }
My own Personal Ranting on Perl Modules is up at:
<http://www.wetware.com/drieux/CS/lang/Perl/PM/>
So while I am a RELIGIOUS FANATIC about 'h2xs' - as
a way to start a new module cleanly
code. Which is a bit lame if the code
is merely 'text' such as Foo.pm and Bar.html or Baz.php
that really needs something else to make them 'go'
ciao
drieux
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e' in it's original intention,
such as the MVC Design Pattern, is worth at least knowing about
and working out how best to use the 'best practices' that it
attempts to establish - or we should follow the 'meme drift'
and decide that Perl Is Dead, because
NewCoolerCodingF
return $page if ($bytes_read);
\$page;
} # end of wrapper_call
In this case the caller either gets the reference to the
page, or a reference to a hash, that has the 'run_time_error'
message in it...
This way if the caller wants to report out the error cas
his in an article dated March 13, 2002
{ would this be the wrong time to talk about '64-bit
architectures' - and whether or not one should be
planning on getting that new cool CPU with the fully
implemented 64-bit kernel }
Or would that be in the same space as why we must
all aband
e 'cheats' that one can
get away with in the cgi environment is that MOST
'reasonable' web-servers will 'chdir' to the directory
where the foo.cgi is invoked - so one can do the
relative path offset solution of
use lib '../lib';
and then hang your modules there...
ciao
drieux
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On Sunday, Jul 27, 2003, at 20:03 US/Pacific, Todd W. wrote:
"Drieux" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
[..]
But First off - COOL RANT!
I was hoping that _some_ day I could string a few sentences
together as well as you do =0)
[..]
flattery will get
s
perldoc -m "foo::bar::baz"
will let you look INSIDE that modual at what is REALLY going on.
[..]
The code below just gets me the name of your home page as a string.
correct?
incorrect.
but were I to do something like say
my $url = URI->new();
$url->scheme('http');
$url-&
port);
but were I to do something like say
my $url = URI->new();
$url->scheme('http');
$url->host($host_port);
$url->path('/drieux');
my $response = $ua->get($url->as_string());
would get you my 'home page&#
s where we shift
to the question of encrypted VPN client connection
mechanism as a more interesting model for dealing
with what information should be 'more tightly
guarded' from prying eyes?
Or were we planning to deal with 'information
encryption' as a part of the problem here?
e
all like to admit in polite society about the fact
that there are 'vagaries' that exist in the 3 DOM's,
and the 'featureFullNeff' of how 'JavaScript' has
devolved to begin with
ciao
drieux
---
ps: some seriously SLICK stuff there
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uot;stty -echo");
my $password = ;
system("stty echo");
print "\n"; # because we disabled echo
chomp($password);
return ($user, $password);
} else {
return (undef, undef)
}
} # end gbc - the get_basic_credentials
ciao
drieux
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boys and girls, if we want to
have SERIOUS flameFesting, then, uh nope, do not want to... }
ciao
drieux
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:
<http://www.wetware.com/drieux/pbl/Sys/Admin/passwdGame.txt>
or you will have hidden that safely somewhere...
then you can of course take that and stuff it
into your basic user agent like
my $ua = LWP::UserAgent->new;
my ($user, $pword) = gbc($realm, $uri);
die &
s a lot of good
stuff in there that I REALLY WISH would have been
in book form when I wound up beating my head on it
Bottom Line,
Drop The Dime
Get On Top of the Times...
ciao
drieux
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the 'pros' from those who are still learning... On both sides of
the hiring table...
I'm almost willing to say that we may be doing people harm
by trying to sell perl as a simple easy thingie poo. At least
as easy as - since software stuff tends to
get complex real quick, and no amount
On Friday, Jul 25, 2003, at 13:20 US/Pacific, Ovid wrote:
--- drieux <[EMAIL PROTECTED]> wrote:
Great Questions!
MVC - Model,View,Controller
it is a design pattern, a way of 'looking at'
the problem and understanding which parts belong where.
<http://www.google.com/search?hl=
5.6.0 for the libperl.so that
the apache was using and I wanted to install
the perl 5.6.1 version... this would be even more
of a crisis with a 5.6 v. 5.8 problem...
But it makes less sense with the 'uninstall'/'reinstall'
solution that you are suggesting.
ciao
drieux
---
--
To
gh a blessed reference'
and figured, hey, maintaining this will be so much simpler if
I simply separate the basic set of db_get_actions() from
the check_maintenance() set of actions, so that I can
manage the two in separate modules. The former 'class'
deals with the 'do some DB query stuff' while the later
deals with the traditional DB maintenance questions
about how to do Import the DB, Export the DB, Compact
the DB, and FSCK the DB. This way the exposed 'cgi code'
that gets called is, well, just there - while the
underlying DataBaseFoo is abstracted behind perl modules
in this case without having to transit through the 'blessed reference'.
I bascially trust Perl's Hashing Algorithm that much.
HTH.
ciao
drieux
---
Trust me, if you watch it go through the Perl Debugger
you too would have faith in all of the lines of code
it does not have to execute...
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ken" unless $web_service->reality_check(@cosmic_void);
p4: given that hacking in perl does not require MVC as
a design pattern, but one can learn the hard way to support it
ciao
drieux
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$TS_cont now prints out:
BrainWaveSuckingAlienBeastCreaturesFromPlanetZarkon
was
Brain Wave Sucking alien beast creatures from planet zarkon
since as you will note, we added in the '\s*' to grab
any 'white spaces' - but since we did not put them bac
approach' v. 'I CodeMonkey'...
Allow me the illustration of the three players on the
current project -
<http://www.wetware.com/rai/> - did the graphics
<http://www.wetware.com/drieux/> - did the middleware 'cgi'
sir_URL_not_appearing_on_
- I think it helps to look
at the various ways that 'CGI' gets implemented - and figure
out whether one can 'implement, update, maintain, refactor,
re-implement and reuse' stuff if one started in code language
foo or bar
I like perl precisely because it is a glue language, and has
interface, so that it will be used, plus the
extension to that Module, to handle all of the new
classes of ERRORS that can occur, because one did
or did not pass that additional set(s) of argument(s),
with or without the newly restructured pre-ceeding Smack,
because the vendor's CLI MVC shift
as a 'hidden' - and you can
then think about dealing with a journaling database model
that will allow you full rollback, etc, etc, etc...
But basically what I would argue is that you get a better back
end model for dealing with the real back end issues.
ciao
drieux
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n the group - and also to email clients,
if an entry is to an actual RFC822 compliant email address...
We went through weirdness like that with a corporation
that believed in Lotus Notes
HTH.
Personally I would go with Mail::Mailer - which
has a bunch of simpler ways to deal with 'sen
or
trying to figure out which part of the string is
the host part. try to remember that
nas.nasa.gov
IS the domain name, not a host and domain component
ciao
drieux
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!$
perl junk.plx
Use of uninitialized value in concatenation (.) or string at junk.plx
line 8.
Use of uninitialized value in concatenation (.) or string at junk.plx
line 8.
color = , animal =
vladimir: 106:]
ciao
drieux
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27;s just
a table)? that user can scroll? thanx!
what you may want to look at is the issues
with using frames and frame-sets and setting
the with scroll... It would be nice if more
browsers were willing to use say
but that really limits the number of candidates...
ciao
drieux
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To un
gy to avoid collisions...
Another strategy of course is to be explicit
my $input = CGI::param('input');
This way one knows that the param is the param() that
one means there is some trade off here, in that
one only imports the methods that one means to import...
ciao
drieux
-
package Wetware::Hq::Web::RCI;
.
use Wetware::RCI;
our @ISA = qw(Wetware::RCI);
.
this way when i do things like
my $rci = new Wetware::Hq::Web::RCI;
it inherits all the song and dance of the base class...
ciao
drieux
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To
@thingies)
{
$$ref = '' unless(defined($$ref));
}
print "$name, $address1, $address2, $address3 ,$address4 \n";
} # end of do_funk
this way if ANY of the variables get undeffed, you can initialize
them...
3. Are both of these questions moot because I should use -w while
developing
the cgi, but remove it before actual use?
nope both questions are Most Excellent
and are starting to dig into some of the problems.
ciao
drieux
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On Monday, Jun 16, 2003, at 03:11 US/Pacific, Eugene Geldenhuys wrote:
[..]
Thanks for the advice
I have looked at the items you mentioned - details in body of reply
[..]
will someone remind the drieux to have coffee,
I think the problem could well be the imfamous
problem of binding processes to
F and ONLY IF you really meant that to be the last
of the header lines that you want to ship back.
technically you will want to pass in either an array
@headers = ("Content-type: text/html", )
and then parse them out
print "$_$CRLF" foreach(@headers);
print $C
is to find out where you are trying to
open a logfile, and how to protect that open, so that in
the case where it fails, you can 'catch' the exception,
and try something else...
alternatively cf:
perldoc CGI::Carp
and just use their wrappers to deal with the
use CGI::Carp qw(fat
is no gurantee that the actual value
there is Kosher, but if you really want to get funky
then you can of course look at the REMOTE_PORT and
try some socket getpeer types of tricks...
ciao
drieux
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ly agree that you should NOT need to
have the setuid bit set on the executable...
p5: have you any interesting information from the suexec.log
that can help you sort out what it is whining about?
ciao
drieux
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