cgi script to print all .png files on a single page Post: 302427321

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Top Forums Shell Programming and Scripting cgi script to print all .png files on a single page Post 302427321 by jeffersno1 on Friday 4th of June 2010 03:35:18 PM

06-04-2010

Registered User

cgi script to print all .png files on a single page

Hi guys

I'm relativley new to Perl, and have not touched html before, im trying to write a cgi script that prints all images on a single html page from a given directory. Im using perl to gather stats, rrdtool to update and create graphs now i just need to print these graphs all onto 1 index.cgi page.

The page appears but no images

I need to do it dynamically as new graphs will appear in the future, otherwise i could just add them 1 by 1.

Heres the code i have so far, can anyone suggest if and what im doing wrong here?

Code:

#!/usr/bin/perl -w

use strict;
use CGI;

my $cgi = new CGI;
my $image = $cgi->param('image');

print "Content-type: text/html\n\n";

print "<html><head><title>$image</title></head>\n";
print "<body>\n";
print "<center>\n";
print "<img src=/var/www/html/$image><p>\n";
print "</center>\n";
print "</body>\n";
print "</html>\n";

Thanks very much
Jeffers

jeffersno1

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LEARN ABOUT FREEBSD

upsimage.cgi

UPSIMAGE.CGI(8) 						    NUT Manual							   UPSIMAGE.CGI(8)

NAME

       upsimage.cgi - Image-generating helper for upsstats.cgi

SYNOPSIS

       upsimage.cgi

	   Note
	   As a CGI program, this should be invoked through your web server. If you run it from the command line, it will either complain about
	   unauthorized access or spew a PNG at you.

DESCRIPTION

       upsimage.cgi generates the graphical bars that make up the right side of the page generated by upsstats.cgi(8). These represent the current
       battery charge, utility voltage, and UPS load where available.

       The images are in PNG format, and are created by linking to Boutell's excellent gd library.

ACCESS CONTROL

       upsstats will only talk to upsd(8) servers that have been defined in your hosts.conf(5). If it complains about "Access to that host is not
       authorized", check that file first.

FILES

       hosts.conf(5)

SEE ALSO

       upsd(8), upsstats.cgi(8)

   Internet resources:
       The gd home page: http://www.boutell.com/gd/

       The NUT (Network UPS Tools) home page: http://www.networkupstools.org/

Network UPS Tools						    05/22/2012							   UPSIMAGE.CGI(8)