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LWP::MediaTypes(3) User Contributed Perl Documentation LWP::MediaTypes(3)
LWP::MediaTypes - guess media type for a file or a URL
use LWP::MediaTypes qw(guess_media_type);
$type = guess_media_type("/tmp/foo.gif");
This module provides functions for handling media (also known as MIME) types and
encodings. The mapping from file extensions to media types is defined by the media.types
file. If the ~/.media.types file exists it is used instead. For backwards compatibility
we will also look for ~/.mime.types.
The following functions are exported by default:
guess_media_type( $filename )
guess_media_type( $uri )
guess_media_type( $filename_or_uri, $header_to_modify )
This function tries to guess media type and encoding for a file or a URI. It returns
the content type, which is a string like "text/html". In array context it also
returns any content encodings applied (in the order used to encode the file). You can
pass a URI object reference, instead of the file name.
If the type can not be deduced from looking at the file name, then guess_media_type()
will let the "-T" Perl operator take a look. If this works (and "-T" returns a TRUE
value) then we return text/plain as the type, otherwise we return
application/octet-stream as the type.
The optional second argument should be a reference to a HTTP::Headers object or any
object that implements the $obj->header method in a similar way. When it is present
the values of the 'Content-Type' and 'Content-Encoding' will be set for this header.
media_suffix( $type, ... )
This function will return all suffixes that can be used to denote the specified media
type(s). Wildcard types can be used. In a scalar context it will return the first
suffix found. Examples:
@suffixes = media_suffix('image/*', 'audio/basic');
$suffix = media_suffix('text/html');
The following functions are only exported by explicit request:
add_type( $type, @exts )
Associate a list of file extensions with the given media type. Example:
add_type("x-world/x-vrml" => qw(wrl vrml));
add_encoding( $type, @ext )
Associate a list of file extensions with an encoding type. Example:
add_encoding("x-gzip" => "gz");
read_media_types( @files )
Parse media types files and add the type mappings found there. Example:
Copyright 1995-1999 Gisle Aas.
This library is free software; you can redistribute it and/or modify it under the same
terms as Perl itself.
perl v5.16.3 2014-06-09 LWP::MediaTypes(3)
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