I'm including the code, I've used :
fileupload.cgi
#!/usr/bin/perl
print "Content-type: text/html\n\n";
print <<HTML;
<html>
<head>
<title> File Upload Sample</title>
</head>
<body>
<h1>Upload File</h2>
<form action="fileprocess.cgi" method="post" enctype="multipart/fo
+rm-data">
<input type="file" name="alertsfile" />
<input type="submit" value="Upload">
</form>
</body>
</html>
HTML
exit;
fileprocess.cgi
#!/usr/bin/perl-wT
use strict;
use CGI;
use CGI::Carp qw (fatalsToBrowser);
use File::Basename; $CGI::POST_MAX = 1024 * 5000;
my $safe_filename_characters = "a-zA-Z0-9_.-";
my $upload_dir = "/home/netcool/alertfiles";
my $query = new CGI;
my $filename = $query->param("alertsfile");
if ( !$filename )
{
print $query->header ( );
print "There was a problem uploading your photo (try a smaller fil
+e).";
exit;
}
my ( $name, $path, $extension ) = fileparse ( $filename, '\..*' );
$filename = $name . $extension;
$filename =~ tr/ /_/;
$filename =~ s/[^$safe_filename_characters]//g;
if ( $filename =~ /^([$safe_filename_characters]+)$/ )
{
$filename = $1;
}
else
{
die "Filename contains invalid characters";
}
my $upload_filehandle = $query->upload("alertsfile");
open ( UPLOADFILE, ">$upload_dir/$filename" ) or die "$!";
binmode UPLOADFILE;
while ( <$upload_filehandle> )
{
print UPLOADFILE;
}
close UPLOADFILE;
print $query->header ( );
print "Content-type: text/html\n\n";
print <<HTML;
<html>
<head>
<title>Thanks</title>
</head>
<body>
<p>Thanks for uploading your file!</p>
<p>Your file:</p> <p><href src="/upload/$filename" alt="File" /></p>
</body>
</html>
HTML