LWP::Simple man page on Kali

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LWP::Simple(3pm)      User Contributed Perl Documentation     LWP::Simple(3pm)

NAME
       LWP::Simple - simple procedural interface to LWP

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

	use LWP::Simple;
	$content = get("http://www.sn.no/");
	die "Couldn't get it!" unless defined $content;

	if (mirror("http://www.sn.no/", "foo") == RC_NOT_MODIFIED) {
	    ...
	}

	if (is_success(getprint("http://www.sn.no/"))) {
	    ...
	}

DESCRIPTION
       This module is meant for people who want a simplified view of the
       libwww-perl library.  It 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, then you should use the full object-
       oriented interface provided by the LWP::UserAgent module.

       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/#.##" and will initialize its proxy defaults from the
       environment (by calling "$ua->env_proxy").

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

   get
	   my $res = get($url);

       The get() function will fetch the document identified by the given URL
       and return it.  It returns "undef" if it fails.	The $url argument can
       be either a string or a reference to a URI 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 that information you should use the full OO
       interface (see LWP::UserAgent).

   head
	   my $res = head($url);

       Get document headers. Returns the following 5 values if successful:
       ($content_type, $document_length, $modified_time, $expires, $server)

       Returns an empty list if it fails.  In scalar context returns TRUE if
       successful.

   getprint
	   my $code = getprint($url);

       Get and print a document identified by a URL. The document is printed
       to the selected default filehandle for output (normally STDOUT) as data
       is received from the network.  If the request fails, then the status
       code and message are printed on STDERR.	The return value is the HTTP
       response code.

   getstore
	   my $code = getstore($url, $file)

       Gets a document identified by a URL and stores it in the file. The
       return value is the HTTP response code.

   mirror
	   my $code = mirror($url, $file);

       Get and store a document identified by a URL, using If-modified-since,
       and checking the Content-Length.	 Returns the HTTP response code.

STATUS CONSTANTS
       This module also exports the HTTP::Status constants and procedures.
       You can use them when you check the response code from "getprint" in
       LWP::Simple, "getstore" in LWP::Simple or "mirror" in LWP::Simple.  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

CLASSIFICATION FUNCTIONS
       The HTTP::Status classification functions are:

   is_success
	   my $bool = is_success($rc);

       True if response code indicated a successful request.

   is_error
	   my $bool = is_error($rc)

       True if response code indicated that an error occurred.

CAVEAT
       Note that if you are using both LWP::Simple and the very popular CGI
       module, you may be importing a "head" function from each module,
       producing a warning like "Prototype mismatch: sub main::head ($) vs
       none".  Get around this problem by just not importing LWP::Simple's
       "head" function, like so:

	       use LWP::Simple qw(!head);
	       use CGI qw(:standard);  # then only CGI.pm defines a head()

       Then if you do need LWP::Simple's "head" function, you can just call it
       as "LWP::Simple::head($url)".

SEE ALSO
       LWP, lwpcook, LWP::UserAgent, HTTP::Status, lwp-request, lwp-mirror

perl v5.26.1			  2017-12-26		      LWP::Simple(3pm)
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