Executables?

Devyn

Hi All!

I'm a newbie to perl. I've written a small cgi script that runs as
the consequence of a form with radio buttons.

After the button is clicked, an exe is to run. How much ever i try, i
cant get that to happen. I hear a "ding" sound which is indicative os
some error.. I can run the perl script in command line using perl
getdata.cgi. I have win98, IE6. Here's the code :-
#!c:\perl\bin\perl.exe

if ($ENV{'REQUEST_METHOD'} eq 'POST')
{

read(STDIN, $buffer, $ENV{'CONTENT_LENGTH'});

@pairs = split(/&/, $buffer);

foreach $pair (@pairs)
{
($name, $value) = split(/=/, $pair);
$value =~ tr/+/ /;
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
$form{$name}=$value;
}
}

system "front.exe";
if($form{'R1'} eq 'V1')
{
open(a,"Parta.txt");
$stockA=<a>;
close(a);
print"Content-type:text/html\n\n";
print"<html><title></title><body>";
print"<body text=\"\#FFFFFF\" bgcolor=\"#000000\">";
print"\n    The number of part A components in the warehouse is
: $stockA";
}

......and so on....

Where have i gone wrong? Any help will be appreciated..

Regards,
Devyn

Jul 19 '05 #1

Subscribe Reply

1823

Gunnar Hjalmarsson

Devyn wrote:

After the button is clicked, an exe is to run. How much ever i try,
i cant get that to happen. I hear a "ding" sound which is
indicative os some error.. I can run the perl script in command
line using perl getdata.cgi.

Try stating the full path to the .exe file:

system('C:/somepath/front.exe') == 0
or die "executing front.exe failed: $?";

See also

perldoc -f system

--
Gunnar Hjalmarsson
Email: http://www.gunnar.cc/cgi-bin/contact.pl

Jul 19 '05 #2

Devyn

Gunnar Hjalmarsson <no*****@gunnar.cc> wrote in message news:<pn********************@newsb.telia.net>...

Try stating the full path to the .exe file:

system('C:/somepath/front.exe') == 0
or die "executing front.exe failed: $?";

Hi!
Thanx for the reply. I tried including this in my program, but it
didnt work. Let me give out a few more details.

The cgi-script is in the same drectory as the front.exe Front.exe uses
the parallel port (i'm usin win98..)and generates 3 txts. The script,
which continues to run, reads these txts based on the decision made in
the radio button form and displays a message.

I still get that ding sound when i run the script from the browser i.e
clicking on the button in the form. However "perl getdata.cgi" in the
command prompt works smoothly. Where am i going wrong?

Devyn

Jul 19 '05 #3

Jürgen Exner

Devyn wrote:
[...]

I still get that ding sound when i run the script from the browser i.e
clicking on the button in the form. However "perl getdata.cgi" in the
command prompt works smoothly. Where am i going wrong?

Please see "perldoc -q 500"

jue

Jul 19 '05 #4

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