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#! /usr/bin/env perl
use strict;
use warnings;
use Data::Dumper; # only used for debugging
# define the version number
# see https://metacpan.org/pod/release/JPEACOCK/version-0.97/lib/version.pod
use version;
our $VERSION = version->declare("v3.3.0");
# see https://perldoc.perl.org/Getopt/Long.html
use Getopt::Long;
# allow -vvn (ie, --verbose --verbose --dryrun)
Getopt::Long::Configure ("bundling");
# simple display if --help is passed
sub help {
use File::Basename;
print basename($0) . " $VERSION\n";
print <<END
$0 [options] [inputfile]
Reads tsv file from filename specifid (or STDIN if not), emitting
a fully formed html page (unless --nohtml specified) containing
a table. The first line of the file is assumed to be headers, the
remainder are <td>, with style='headername' included
Options:
--title - A header to be created using <h1>
--nohtml - Do NOT create <html><body> blocks
--css filename - Create tag in <head> to include css file
--outfile filename - The output file (default to STDOUT)
--delimiter char - the delimiter for the file (default tab)
--encapsulate char - an encapsulation character (default none)
--version - display version and exit
--help - This page
END
}
# handle any command line parameters that may have been passed in
my $version = 0; # just used to determine if we should display the version
my $help = 0; # also if we want help
my $file = ''; # input file
my $outfile = ''; # output file
my $encapsulate = '';
my $delimiter = "\t";
my $noHTML = 0;
my $cssFile = '';
my $title = '';
my $h2 = '';
GetOptions (
'title|t=s' => \$title,
'outfile|o=s' => \$outfile,
'encapsulate|e=s' => \$encapsulate,
'delimiter|d=s' => \$delimiter,
'css|c=s' => \$cssFile,
'nohtml|n' => \$noHTML,
'h2|2=s' => \$h2,
'help|h' => \$help,
'version|v' => \$version,
) or die "Error parsing command line\n";
if ( $help ) { &help() ; exit; }
if ( $version ) { use File::Basename; print basename($0) . " $VERSION\n"; exit; }
my $line = <>;
chomp $line;
$line =~ s/_/ /g; # change all underscores to spaces
$line =~ s/\b(\w)/\U$1/g; # capitalize the first letter in each word
my @headers = split( $delimiter, $line ); # put into array
my @out;
# now, make this the table header
push @out, '<th>' . join( '</th><th>', @headers ) . '</th>';
# now, we'll make it all lower case, and replace spaces with underscores, for css
$line = lc $line;
$line =~ s/ /_/g;
@headers = split( $delimiter, $line ); # put back into array
while ( $line = <> ) {
chomp $line;
my @fields = split( $delimiter, $line );
my $lineOut = '';
for ( my $i = 0; $i < @headers; $i++ ) {
$lineOut .= "<td class='$headers[$i]'>$fields[$i]</td>";
}
push @out, $lineOut;
}
# add the header line at the top
print "<html>\n<head>\n" .
( $cssFile ? "<link rel='stylesheet' href='$cssFile'>\n" : '' ) .
"</head><body>\n" .
( $title ? "<h1>$title</h1>\n" : '' ) .
( $h2 ? "<h2>$h2</h2>\n" : '' )
unless $noHTML;
print "<table>\n<tr>" . join( "</tr>\n<tr>", @out) . "</tr>\n</table>\n";
print "</body>\n</html>\n" unless $noHTML;
1;