NAME

CAD::AutoCAD::Detect - Detect AutoCAD files through magic string.

SYNOPSIS

 use CAD::AutoCAD::Detect qw(detect_dwg_file);

 my $dwg_magic = detect_dwg_file($file);

DESCRIPTION

This Perl module detect AutoCAD files through magic string.

List of supported files: dwg

SUBROUTINES

detect_dwg_file

 my $dwg_magic = detect_dwg_file($file);

Detect DWG file.

Returns magic string or undef.

ERRORS

 detect_dwg_file():
         Cannot close file '%s'.
         Cannot open file '%s'.

EXAMPLE1

 use strict;
 use warnings;

 use CAD::AutoCAD::Detect qw(detect_dwg_file);
 use File::Temp qw(tempfile);
 use IO::Barf qw(barf);
 use MIME::Base64;

 # Data in base64.
 my $data = <<'END';
 QUMxMDAyAAAAAAAAAAAAAAAK
 END

 # Temp file.
 my (undef, $temp_file) = tempfile();

 # Save data to file.
 barf($temp_file, decode_base64($data));

 # Check file.
 my $dwg_magic = detect_dwg_file($temp_file);

 # Print out.
 if ($dwg_magic) {
         print "File '$temp_file' is DWG file.\n";
 } else {
         print "File '$temp_file' isn't DWG file.\n";
 }

 # Output like:
 # File '%s' is DWG file.

EXAMPLE2

 use strict;
 use warnings;

 use CAD::AutoCAD::Detect qw(detect_dwg_file);

 # Arguments.
 if (@ARGV < 1) {
         print STDERR "Usage: $0 file\n";
         exit 1;
 }
 my $file = $ARGV[0];

 # Check DWG file.
 my $dwg_magic = detect_dwg_file($file);

 # Print out.
 if ($dwg_magic) {
         print "File '$file' is DWG file.\n";
 } else {
         print "File '$file' isn't DWG file.\n";
 }

 # Output:
 # Usage: detect-dwg-file file

DEPENDENCIES

CAD::AutoCAD::Version, Error::Pure, Exporter, List::MoreUtils, Readonly.

REPOSITORY

https://github.com/michal-josef-spacek/CAD-AutoCAD-Detect

AUTHOR

Michal Josef Špaček mailto:skim@cpan.org

http://skim.cz

LICENSE AND COPYRIGHT

© 2020-2021 Michal Josef Špaček

BSD 2-Clause License

VERSION

0.03