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Image::ExifTool::BuildUseroContributed Perl Image::ExifTool::BuildTagLookup(3)

NAME
       Image::ExifTool::BuildTagLookup - Build ExifTool	tag lookup tables

DESCRIPTION
       This module is used to generate the tag lookup tables in
       Image::ExifTool::TagLookup.pm and tag name documentation	in
       Image::ExifTool::TagNames.pod, as well as HTML tag name documentation.
       It is used before each new ExifTool release to update the lookup	tables
       and documentation, but it is not	used otherwise.	 It also performs some
       validation and consistency checks on the	tag tables.

SYNOPSIS
	 use Image::ExifTool::BuildTagLookup;

	 $builder = new	Image::ExifTool::BuildTagLookup;

	 # update Image::ExifTool::TagLookup
	 $ok = $builder->WriteTagLookup('lib/Image/ExifTool/TagLookup.pm');

	 # update the tag name documentation
	 $ok = $builder->WriteTagNames('lib/Image/ExifTool/TagNames.pod','html');

	 # print some statistics
	 my $count = $$builder{COUNT};
	 foreach (sort keys %$count) {
	     printf "%5d %s\n",	$$count{$_}, $_;
	 }

MEMBER VARIABLES
       PRESERVE_DATE
	   Flag	to preserve "Last revised" date	in HTML	files.	Set before
	   calling WriteTagNames().

       COUNT
	   Reference to	hash containing	counting statistics.  Keys are the
	   descriptions, and values are	the numerical counts.  Valid after
	   BuildTagLookup object is created, but additional statistics are
	   added by WriteTagNames().

       WRITE_PSEUDO
	   List	of writable pseudo tags.

AUTHOR
       Copyright 2003-2017, Phil Harvey	(phil at owl.phy.queensu.ca)

       This library is free software; you can redistribute it and/or modify it
       under the same terms as Perl itself.

SEE ALSO
       Image::ExifTool(3pm), Image::ExifTool::TagLookup(3pm),
       Image::ExifTool::TagNames(3pm)

perl v5.24.1			  2017-04-14Image::ExifTool::BuildTagLookup(3)

NAME | DESCRIPTION | SYNOPSIS | MEMBER VARIABLES | AUTHOR | SEE ALSO

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