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