File::MimeInfo::Magic(3pm)     User Contributed Perl Documentation     File::MimeInfo::Magic(3pm)



NAME
       File::MimeInfo::Magic - Determine file type with magic

SYNOPSIS
               use File::MimeInfo::Magic;
               my $mime_type = mimetype($file);

DESCRIPTION
       This module inherits from File::MimeInfo, it is transparent to its functions but adds
       support for the freedesktop magic file.

       Magic data is hashed when you need it for the first time.  If you want to force hashing
       earlier use the "rehash()" function.

EXPORT
       The method "mimetype" is exported by default. The methods "magic", "inodetype", "globs"
       and "describe" can be exported on demand.

METHODS
       See also File::MimeInfo for methods that are inherited.

       "mimetype($file)"
           Returns a mime-type string for $file, returns undef on failure.

           This method bundles "inodetype()", "globs()" and "magic()".

           Magic rules with an priority of 80 and higher are checked before "globs()" is called,
           all other magic rules afterwards.

           If this doesn't work the file is read and the mime-type defaults to 'text/plain' or to
           'application/octet-stream' when the first ten chars of the file match ascii control
           chars (white spaces excluded).  If the file doesn't exist or isn't readable "undef" is
           returned.

           If $file is an object reference only "magic" and the default method are used. See
           below for details.

       "magic($file)"
           Returns a mime-type string for $file based on the magic rules, returns undef on
           failure.

           $file can be an object reference, in that case it is supposed to have a "seek()" and a
           "read()" method. This allows you for example to determine the mimetype of data in
           memory by using IO::Scalar.

           Be aware that when using a filehandle or an "IO::" object you need to set the ":utf8"
           binmode yourself if appropriate.

       "rehash()"
           Rehash the data files. Glob and magic information is preparsed when this method is
           called.

           If you want to by-pass the XDG basedir system you can specify your database
           directories by setting @File::MimeInfo::DIRS. But normally it is better to change the
           XDG basedir environment variables.

       "default"
       "describe"
       "extensions"
       "globs"
       "inodetype"
           These routines are imported from File::MimeInfo.

SEE ALSO
       File::MimeInfo

LIMITATIONS
       Only word sizes of 1, 2 or 4 are supported. Any other word size is ignored and will cause
       a warning.

AUTHOR
       Jaap Karssenberg <pardus AT cpan.org> Maintained by Michiel Beijen <michiel.beijen AT gmail.com>

COPYRIGHT
       Copyright (c) 2003, 2012 Jaap G Karssenberg. All rights reserved.  This program is free
       software; you can redistribute it and/or modify it under the same terms as Perl itself.



perl v5.18.2                                2014-05-11                 File::MimeInfo::Magic(3pm)