06 May 2004 11:00:01 UTC
- Distribution: File-Type
- Module version: 0.22
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- License: perl_5
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File::Type - determine file type using magic
my $ft = File::Type->new(); # read in data from file to $data, then my $type_from_data = $ft->checktype_contents($data); # alternatively, check file from disk my $type_from_file = $ft->checktype_filename($file); # convenient method for checking either a file or data my $type_1 = $ft->mime_type($file); my $type_2 = $ft->mime_type($data);
File::Type uses magic numbers (typically at the start of a file) to determine the MIME type of that file.
File::Type can use either a filename, or file contents, to determine the type of a file.
Returns a new File::Type object.
Takes either data or a filename, determines what it is, and passes the argument through to the relevant method below. If the argument is a directory, returns undef.
Opens $filename (if possible; if not, returns undef) and returns the MIME type of the file.
Matches $data against the magic database criteria and returns the MIME type of the file.
* Add additional magic match criteria
Some magic definitions in the mime-magic file used in the creation of this module vary from those in other apps (eg image/x-png not image/png).
File::MMagic inlines a copy of the magic database, and uses a DATA filehandle, which causes problems when running under mod_perl.
File::MimeInfo uses an external magic file, and relies on file extensions rather than magic to determine the mime type.
As a result, File::Type uses a seperate module and script to create the code at the core of this module, which means that there is no need to include a magic database at all, and that it is safe to run under mod_perl.
File::Type::Builder, which generates the code at the heart of this module.
File::Type is built from a mime-magic file from cleancode.org. The original can be found at http://cleancode.org/cgi-bin/viewcvs.cgi/email/mime-magic.mime?rev=188.8.131.52.
Paul Mison <email@example.com>
Copyright 2003-2004 Fotango Ltd.
Licensed under the same terms as Perl itself.