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#!/usr/bin/perl -T

use strict;
use warnings;

use CGI;
use CGI::Carp qw/ fatalsToBrowser /;
use Template;

my $cgi           = CGI->new;
my $template_vars = {
        cgi_version => $CGI::VERSION,
};

# Process the form if there is a file name entered
if ( my $file = $cgi->param( 'filename' ) ) {

        die "filename passed as ARG" if $file =~ /ARG/;

    my $tmpfile  = $cgi->tmpFileName( $file );
    my $mimetype = $cgi->uploadInfo( $file )->{'Content-Type'} || '';

        @{$template_vars}{qw/file temp_file mimetype/}
                = ( $file,$tmpfile,$mimetype );

        my %wanted = map { $_ => 1 } $cgi->multi_param( 'count' );

    while ( <$file> ) {
                $template_vars->{lines}++               if $wanted{"count lines"};
                $template_vars->{words} += split(/\s+/) if $wanted{"count words"};
                $template_vars->{chars} += length       if $wanted{"count chars"};
    }
    close( $file );
}

print $cgi->header(
    -type    => 'text/html',
    -charset => 'utf-8',
);

my $tt = Template->new;
$tt->process( \*DATA,$template_vars ) or warn $tt->error;

__DATA__
<!DOCTYPE html>
<html>
        <head>
                <meta charset="UTF-8">
                <title>File Upload Example</title>
        </head>
        <body>
                <b>Version</b> [% cgi_version %]
                <h1>File Upload Example</h1>
                <p>This example demonstrates how to prompt the remote user to select a remote file for uploading.</p>
                <p>Select the <cite>browser</cite> button to choose a text file to upload.</p>
                <p>When you press the submit button, this script will count the number of lines, words, and characters in the file.</p>
                <form method="post" action="file_upload" enctype="multipart/form-data">Enter the file to process:
                        <input type="file" name="filename" size="45" /><br />
                        <label><input type="checkbox" name="count" value="count lines" checked="checked" />count lines</label>
                        <label><input type="checkbox" name="count" value="count words" checked="checked" />count words</label>
                        <label><input type="checkbox" name="count" value="count chars" checked="checked" />count characters</label>
                        <input type="reset"  name=".reset" />
                        <input type="submit" name="submit" value="Process File" />
                        <input type="hidden" name=".cgifields" value="count"  />
                </form>
                <hr />
                [% IF file.defined %]
                        <h2>[% file %]</h2>
                        <h3>[% temp_file %]</h3>
                        <h4>MIME Type: <i>[% mime_type %]</i></h4>
                        <b>Lines: </b>[% lines %]<br />
                        <b>Words: </b>[% words %]<br />
                        <b>Characters: </b>[% chars %]<br />
                [% END %]
        </body>
</html>

Generated by dwww version 1.15 on Sat May 18 04:14:03 CEST 2024.