LWP::Simple man page on BSDOS

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lib::LWP::SimplUser Contributed Perl Documentalib::LWP::Simple(3)

NAME
       get, head, getprint, getstore, mirror - Procedural LWP
       interface

SYNOPSIS
	perl -MLWP::Simple -e 'getprint "http://www.sn.no"'

	use LWP::Simple;
	$content = get("http://www.sn.no/")
	if (mirror("http://www.sn.no/", "foo") == RC_NOT_MODIFIED) {
	    ...
	}
	if (is_success(getprint("http://www.sn.no/"))) {
	    ...
	}

DESCRIPTION
       This interface is intended for those who want a simplified
       view of the libwww-perl library.	 This interface should
       also be suitable for one-liners.	 If you need more control
       or access to the header fields in the requests sent and
       responses received you should use the full OO interface
       provided by the LWP::UserAgent module.

       This following functions are provided (and exported) by
       this module:

       get($url)
	  This function will get the document identified by the
	  given URL.  The get() function will return the document
	  if successful or 'undef' if it fails.	 The $url
	  argument can be either a simple string or a reference
	  to a URI::URL object.

	  You will not be able to examine the response code or
	  response headers (like Content-Type) when you are
	  accessing the web using this function.  If you need
	  this you should use the full OO interface.

       head($url)
	  Get document headers. Returns the following values if
	  successful: ($content_type, $document_length,
	  $modified_time, $expires, $server)

	  Returns an empty list if it fails.

       getprint($url)
	  Get and print a document identified by a URL. The
	  document is printet on STDOUT. The error message
	  (formatted as HTML) is printed on STDERR if the request
	  fails.  The return value is the HTTP response code.

24/Aug/1997	       perl 5.005, patch 03			1

lib::LWP::SimplUser Contributed Perl Documentalib::LWP::Simple(3)

       getstore($url, $file)
	  Gets a document identified by a URL and stores it in
	  the file. The return value is the HTTP response code.

       mirror($url, $file)
	  Get and store a document identified by a URL, using If-
	  modified-since, and checking of the Content-Length.
	  Returns the HTTP response code.

       This module also exports the HTTP::Status constants and
       procedures.  These can be used when you check the response
       code from getprint(), getstore() and mirror().  The
       constants are:

	  RC_CONTINUE
	  RC_SWITCHING_PROTOCOLS
	  RC_OK
	  RC_CREATED
	  RC_ACCEPTED
	  RC_NON_AUTHORITATIVE_INFORMATION
	  RC_NO_CONTENT
	  RC_RESET_CONTENT
	  RC_PARTIAL_CONTENT
	  RC_MULTIPLE_CHOICES
	  RC_MOVED_PERMANENTLY
	  RC_MOVED_TEMPORARILY
	  RC_SEE_OTHER
	  RC_NOT_MODIFIED
	  RC_USE_PROXY
	  RC_BAD_REQUEST
	  RC_UNAUTHORIZED
	  RC_PAYMENT_REQUIRED
	  RC_FORBIDDEN
	  RC_NOT_FOUND
	  RC_METHOD_NOT_ALLOWED
	  RC_NOT_ACCEPTABLE
	  RC_PROXY_AUTHENTICATION_REQUIRED
	  RC_REQUEST_TIMEOUT
	  RC_CONFLICT
	  RC_GONE
	  RC_LENGTH_REQUIRED
	  RC_PRECONDITION_FAILED
	  RC_REQUEST_ENTITY_TOO_LARGE
	  RC_REQUEST_URI_TOO_LARGE
	  RC_UNSUPPORTED_MEDIA_TYPE
	  RC_INTERNAL_SERVER_ERROR
	  RC_NOT_IMPLEMENTED
	  RC_BAD_GATEWAY
	  RC_SERVICE_UNAVAILABLE
	  RC_GATEWAY_TIMEOUT
	  RC_HTTP_VERSION_NOT_SUPPORTED

       The HTTP::Status classification functions are:

24/Aug/1997	       perl 5.005, patch 03			2

lib::LWP::SimplUser Contributed Perl Documentalib::LWP::Simple(3)

       is_success($rc)
	  Check if response code indicated successfull request.

       is_error($rc)
	  Check if response code indicated that an error occured.

       The module will also export the LWP::UserAgent object as
       $ua if you ask for it explicitly.

       The user agent created by this module will identify itself
       as "LWP::Simple/0.00" and will initialize its proxy
       defaults from the environment (by calling $ua->env_proxy).

SEE ALSO
       the LWP manpage, the LWP::UserAgent manpage, the
       HTTP::Status manpage, the request manpage, the mirror
       manpage

24/Aug/1997	       perl 5.005, patch 03			3

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