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Shell Programming and Scripting

Perl error with $ENV variable

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Top Forums Shell Programming and Scripting Perl error with $ENV variable
# 8  
Old 03-04-2012
It will not do that when you run it by ./programname as you did above. BASH is not an HTTP user agent. You'll have to export the variables yourself.
# 9  
Old 03-04-2012
Quote:
Originally Posted by Corona688
It will not do that when you run it by ./programname as you did above. BASH is not an HTTP user agent. You'll have to export the variables yourself.
Sorry Corona for this but u cannot understand, bash variable is different thing
that access by this perl module

use Env;

this is cgi variable which is stored in %ENV hash variable through which we can access $ENV variable

u can see the second script it is working script .

There is way to access $ENV variable by set %ENV hash globally

but i do not know how

---------- Post updated at 02:32 PM ---------- Previous update was at 01:30 PM ----------

Smilie Finally the script has created successfully

Thanks for your help my friends , especialy corona sorry for above words

Working CODE ------

Code:
#!/usr/bin/perl
#Author Ravinder kumar
use warnings;
print "Content-type: text/html\n\n";

# Set $ENV variable here , to set another $ENV variable use different
# foreach loop, otherwise it will break up the script

foreach(sort keys %ENV)
{
$client = $ENV{'HTTP_USER_AGENT'};
}

# Variables

$nongraphic = 'Lynx|CERN-Linemode|ELinks';
$text = "text.html";
$graphics = "graphics.html";

# Support Checking

if ($client =~ /$nongraphic/)
{
$htmldoc = $text;
}
else
{
$htmldoc = $graphics;
}
$path = "/var/www/cgi-bin";
$htmldoc = join ("/",$path,$htmldoc);

# Result

if(open(HTML,"<",$htmldoc))
{
while (<HTML>)
{
print ;
}
close (HTML);
}
else
{
print "There is some problem\n"
}
exit (0);

#END

Moderator's Comments:
Mod Comment Please use code tags and indent code. Thanks.
# 10  
Old 03-05-2012
Quote:
Originally Posted by rink
Sorry Corona for this but u cannot understand, bash variable is different thing
that access by this perl module
There is nothing magical or CGI-only about the $ENV variable. They are just environment variables. BASH can also set as I illustrated above, which is necessary when you wish to run it like ./programname as you did above.
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