source: BOOK/the-end/downloadclient.xml @ 52595c6

clfs-2.1clfs-3.0.0-systemdclfs-3.0.0-sysvinitsystemdsysvinit
Last change on this file since 52595c6 was 52595c6, checked in by William Harrington <kb0iic@…>, 10 years ago

Add Download Client page to The End section.

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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4  <!ENTITY % general-entities SYSTEM "../general.ent">
5  %general-entities;
6]>
7
8<sect1 id="ch-finish-downloadclient">
9  <?dbhtml filename="downloadclient.html"?>
10
11  <title>Download Client</title>
12
13  <para>The final system build does not install an FTP or HTTP client for downloading files.</para>
14
15  <itemizedlist>
16    <para>Some suggested clients include:</para>
17    <listitem>
18      <para>Curl <ulink url="&cblfs-root;index.php/Curl"/></para>
19    </listitem>
20    <listitem>
21      <para>Inetutils <ulink url="&cblfs-root;index.php/Inetutils"/></para>
22    </listitem>
23    <listitem>
24      <para>LFTP <ulink url="http://lftp.yar.ru/"/></para>
25    </listitem>
26    <listitem>
27      <para>Links <ulink url="&cblfs-root;index.php/Links"/></para>
28    </listitem>
29    <listitem>
30      <para>Lynx <ulink url="&cblfs-root;index.php/Lynx"/></para>
31    </listitem>
32    <listitem>
33      <para>NcFTP Client <ulink url="http://www.ncftp.com/ncftp/"/></para>
34    </listitem>
35    <listitem>
36      <para>Wget <ulink url="&cblfs-root;index.php/Wget"/></para>
37    </listitem>
38    <listitem>
39      <para>BASH - A user can use net redirections (if not disabled when building bash in the final system) to download wget or another program.</para>
40<screen><userinput>cat &gt; download.sh &lt;&lt; "EOF"
41#!/bin/bash
42
43WGET_VERSION='1.14'
44WGET_HOSTNAME='ftp.gnu.org'
45exec {HTTP_FD}&lt;&gt;/dev/tcp/${WGET_HOSTNAME}/80
46echo -ne "GET /gnu/wget/wget-${WGET_VERSION}.tar.xz HTTP/1.1\r\nHost: "\
47    ${WGET_HOSTNAME}'\r\nUser-Agent: '\
48    'bash/'${BASH_VERSION}'\r\n\r\n'  &gt;&amp;${HTTP_FD}
49sed -e '1,/^.$/d' &lt;&amp;${HTTP_FD} &gt;wget-${WGET_VERSION}.tar.xz
50EOF</userinput></screen>
51    </listitem>
52    <listitem>
53      <para>GAWK</para>
54<screen><userinput>cat &gt; gawkdl.sh &lt;&lt; "EOF"
55#!/bin/bash
56
57gawk 'BEGIN {
58  NetService = "/inet/tcp/0/mirror.anl.gov/80"
59  print "GET /pub/gnu/wget/wget-1.14.tar.xz" |&amp; NetService
60  while ((NetService |&amp; getline) > 0)
61    print $0
62  close(NetService)
63}' > binary
64
65gawk '{q=p;p=$0}NR&gt;1{print q}END{ORS = ""; print p}' binary &gt; wget-1.14.tar.xz
66
67rm binary
68EOF</userinput></screen>
69    </listitem>
70    <listitem>
71      <para>PERL with HTTP::Tiny (Included with final system PERL install).</para>
72<screen><userinput>cat &gt; download.pl &lt;&lt; "EOF"
73#!/usr/bin/perl
74
75use HTTP::Tiny;
76my $http = HTTP::Tiny->new;
77my $response;
78
79$response = $http->mirror('http://ftp.gnu.org/gnu/wget/wget-1.14.tar.xz', 'wget-1.14.tar.xz');
80die "Failed!\n" unless $response->{success};
81print "Unchanged!\n" if $response->{status} eq '304';     
82EOF</userinput></screen>
83      <para>Or use this:</para>
84<screen><userinput>perl -MHTTP::Tiny -E 'say HTTP::Tiny-&gt;new-&gt;get(shift)-&gt;{content}' "http://ftp.gnu.org/gnu/wget/wget-1.14.tar.xz" &gt; binary
85perl -e 'local $/; $_ = &lt;&gt;; s/\n$//; print' binary &gt; wget-1.14.tar.xz
86rm binary</userinput></screen>
87    </listitem>
88    <listitem>
89  <para>PERL with LWP: Run <command>cpan</command> and manually configure the client. Run <command>install LWP</command> while in the CPAN shell.</para>
90    <para>Refer to <ulink url="http://www.bioinfo-user.org.uk/dokuwiki/doku.php/projects/wgetpl"/> for wgetpl.</para>
91    </listitem>
92  </itemizedlist>
93
94</sect1>
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