This program can be used to send requests to WWW servers and your local file system. The request content for POST and PUT methods is read from stdin. The content of the response is printed on stdout. Error messages are printed on stderr. The program returns a status value indicating the number of URLs that failed.
667 名前:つづく mailto:sage [2007/03/15(木) 10:53:50 ]
The options are:
=over 4
=item -m <method>
Set which method to use for the request. If this option is not used, then the method is derived from the name of the program.
=item -f
Force request through, even if the program believes that the method is illegal. The server might reject the request eventually.
=item -b <uri>
This URI will be used as the base URI for resolving all relative URIs given as argument.
=item -t <timeout>
Set the timeout value for the requests. The timeout is the amount of time that the program will wait for a response from the remote server before it fails. The default unit for the timeout value is seconds. You might append "m" or "h" to the timeout value to make it minutes or hours, respectively. The default timeout is '3m', i.e. 3 minutes.
668 名前:つづく mailto:sage [2007/03/15(木) 10:54:33 ]
=item -i <time>
Set the If-Modified-Since header in the request. If I<time> it the name of a file, use the modification timestamp for this file. If I<time> is not a file, it is parsed as a literal date. Take a look at L<HTTP::Date> for recogniced formats.
=item -c <content-type>
Set the Content-Type for the request. This option is only allowed for requests that take a content, i.e. POST and PUT. You can force methods to take content by using the C<-f> option together with C<-c>. The default Content-Type for POST is C<application/x-www-form-urlencoded>. The default Content-type for the others is C<text/plain>.
=item -p <proxy-url>
Set the proxy to be used for the requests. The program also loads proxy settings from the environment. You can disable this with the C<-P> option.
669 名前:つづく mailto:sage [2007/03/15(木) 10:55:29 ]
=item -H <header>
Send this HTTP header with each request. You can specify several, e.g.:
Provide credentials for documents that are protected by Basic Authentication. If the document is protected and you did not specify the username and password with this option, then you will be prompted to provide these values.
The following options controls what is displayed by the program:
=over 4
=item -u
Print request method and absolute URL as requests are made.
=item -U
Print request headers in addition to request method and absolute URL.
=item -s
Print response status code. This option is always on for HEAD requests.
=item -S
Print response status chain. This shows redirect and autorization requests that are handled by the library.
672 名前:つづく mailto:sage [2007/03/15(木) 11:09:49 ]
=item -e
Print response headers. This option is always on for HEAD requests.
=item -d
Do B<not> print the content of the response.
=item -o <format>
Process HTML content in various ways before printing it. If the content type of the response is not HTML, then this option has no effect. The legal format values are; I<text>, I<ps>, I<links>, I<html> and I<dump>.
If you specify the I<text> format then the HTML will be formatted as plain latin1 text. If you specify the I<ps> format then it will be formatted as Postscript.
The I<links> format will output all links found in the HTML document. Relative links will be expanded to absolute ones.
The I<html> format will reformat the HTML code and the I<dump> format will just dump the HTML syntax tree.
673 名前:つづく mailto:sage [2007/03/15(木) 11:10:20 ]
=item -v
Print the version number of the program and quit.
=item -h
Print usage message and quit.
=item -x
Extra debugging output.
=item -a
Set text(ascii) mode for content input and output. If this option is not used, content input and output is done in binary mode.
=back
Because this program is implemented using the LWP library, it will only support the protocols that LWP supports.
674 名前:つづく mailto:sage [2007/03/15(木) 11:12:00 ]
=head1 SEE ALSO
L<lwp-mirror>, L<LWP>
=head1 COPYRIGHT
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.
=head1 AUTHOR
Gisle Aas <gisle@aas.no>
=cut
$progname = $0; $progname =~ s,.*[\\/],,; # use basename only $progname =~ s/\.\w*$//; # strip extension, if any
use HTTP::Status qw(status_message); use HTTP::Date qw(time2str str2time);
# This table lists the methods that are allowed. It should really be # a superset for all methods supported for every scheme that may be # supported by the library. Currently it might be a bit too HTTP # specific. You might use the -f option to force a method through. # # "" = No content in request, "C" = Needs content in request # %allowed_methods = ( GET => "", HEAD => "", POST => "C", PUT => "C", DELETE => "", TRACE => "", OPTIONS => "", );
676 名前:つづく mailto:sage [2007/03/15(木) 11:15:20 ]
=back
The following options controls what is displayed by the program:
=over 4
=item -u
Print request method and absolute URL as requests are made.
=item -U
Print request headers in addition to request method and absolute URL.
=item -s
Print response status code. This option is always on for HEAD requests.
=item -S
Print response status chain. This shows redirect and autorization requests that are handled by the library.
677 名前:つづく mailto:sage [2007/03/15(木) 11:16:12 ]
=item -i <time>
Set the If-Modified-Since header in the request. If I<time> it the name of a file, use the modification timestamp for this file. If I<time> is not a file, it is parsed as a literal date. Take a look at L<HTTP::Date> for recogniced formats.
=item -c <content-type>
Set the Content-Type for the request. This option is only allowed for requests that take a content, i.e. POST and PUT. You can force methods to take content by using the C<-f> option together with C<-c>. The default Content-Type for POST is C<application/x-www-form-urlencoded>. The default Content-type for the others is C<text/plain>.
=item -p <proxy-url>
Set the proxy to be used for the requests. The program also loads proxy settings from the environment. You can disable this with the C<-P> option.
# We make our own specialization of LWP::UserAgent that asks for # user/password if document is protected. { package RequestAgent; @ISA = qw(LWP::UserAgent);
sub new { my $self = LWP::UserAgent::new(@_); $self->agent("lwp-request/$main::VERSION"); $self; }
679 名前:つづく mailto:sage [2007/03/15(木) 11:24:36 ]
sub get_basic_credentials { my($self, $realm, $uri) = @_; if ($main::options{'C'}) { return split(':', $main::options{'C'}, 2); } elsif (-t) { my $netloc = $uri->host_port; print "Enter username for $realm at $netloc: "; my $user = <STDIN>; chomp($user); return (undef, undef) unless length $user; print "Password: "; system("stty -echo"); my $password = <STDIN>; system("stty echo"); print "\n"; # because we disabled echo chomp($password); return ($user, $password); } else { return (undef, undef) } } }
my @getopt_args = ( 'a', # content i/o in text(ascii) mode 'm=s', # set method 'f', # make request even if method is not in %allowed_methods 'b=s', # base url 't=s', # timeout 'i=s', # if-modified-since 'c=s', # content type for POST 'C=s', # credentials for basic authorization 'H=s@', # extra headers, form "Header: value string" # 'u', # display method, URL and headers of request 'U', # display request headers also 's', # display status code 'S', # display whole chain of status codes 'e', # display response headers (default for HEAD) 'd', # don't display content # 'h', # print usage 'v', # print version # 'x', # extra debugging info 'p=s', # proxy URL 'P', # don't load proxy setting from environment # 'o=s', # output format );
681 名前:つづく mailto:sage [2007/03/15(木) 11:25:53 ]
Getopt::Long::config("noignorecase", "bundling"); unless (GetOptions(\%options, @getopt_args)) { usage(); } if ($options{'v'}) { require LWP; my $DISTNAME = 'libwww-perl-' . LWP::Version(); die <<"EOT"; This is lwp-request version $VERSION ($DISTNAME)
Copyright 1995-1999, Gisle Aas.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. EOT }
682 名前:つづく mailto:sage [2007/03/15(木) 11:26:32 ]
usage() if $options{'h'} || !@ARGV;
LWP::Debug::level('+') if $options{'x'};
# Create the user agent object $ua = RequestAgent->new;
$method = uc($options{'m'}) if defined $options{'m'};
if ($options{'f'}) { if ($options{'c'}) { $allowed_methods{$method} = "C"; # force content } else { $allowed_methods{$method} = ""; } } elsif (!defined $allowed_methods{$method}) { die "$progname: $method is not an allowed method\n"; }
683 名前:つづき mailto:sage [2007/03/15(木) 11:26:52 ]
>679のつづき
=head1 SEE ALSO
L<lwp-mirror>, L<LWP>
=head1 COPYRIGHT
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.
=head1 AUTHOR
Gisle Aas <gisle@aas.no>
=cut
$progname = $0; $progname =~ s,.*[\\/],,; # use basename only $progname =~ s/\.\w*$//; # strip extension, if any
Set the If-Modified-Since header in the request. If I<time> it the name of a file, use the modification timestamp for this file. If I<time> is not a file, it is parsed as a literal date. Take a look at L<HTTP::Date> for recogniced formats.
=item -c <content-type>
Set the Content-Type for the request. This option is only allowed for requests that take a content, i.e. POST and PUT. You can force methods to take content by using the C<-f> option together with C<-c>. The default Content-Type for POST is C<application/x-www-form-urlencoded>. The default Content-type for the others is C<text/plain>.
=item -p <proxy-url>
Set the proxy to be used for the requests. The program also loads proxy settings from the environment. You can disable this with the C<-P> option.
$content = undef; if ($allowed_methods{$method} eq "C") { # This request needs some content unless (defined $options{'c'}) { # set default content type $options{'c'} = ($method eq "POST") ? "application/x-www-form-urlencoded" : "text/plain"; } else { die "$progname: Illegal Content-type format\n" unless $options{'c'} =~ m,^[\w\-]+/[\w\-]+(?:\s*;.*)?$, } print "Please enter content ($options{'c'}) to be ${method}ed:\n" if -t; binmode STDIN unless -t or $options{'a'}; $content = join("", <STDIN>); } else { die "$progname: Can't set Content-type for $method requests\n" if defined $options{'c'}; }
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