[0590c1b6] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[6732c094] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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[0590c1b6] | 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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| 7 | <!ENTITY ed-download-http "http://ftp.gnu.org/pub/gnu/ed/ed-&ed-version;.tar.gz">
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| 8 | <!ENTITY ed-download-ftp "ftp://ftp.gnu.org/pub/gnu/ed/ed-&ed-version;.tar.gz">
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[d4afab2] | 9 | <!ENTITY ed-md5sum "ddd57463774cae9b50e70cd51221281b">
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[0590c1b6] | 10 | <!ENTITY ed-size "182 KB">
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[cf068ee1] | 11 | <!ENTITY ed-buildsize "2.9 MB">
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| 12 | <!ENTITY ed-time "0.02 SBU">
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[0590c1b6] | 13 | ]>
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| 14 |
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| 15 | <sect1 id="ed" xreflabel="Ed-&ed-version;">
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[13c7e881] | 16 | <?dbhtml filename="ed.html"?>
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| 17 |
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| 18 | <sect1info>
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| 19 | <othername>$LastChangedBy$</othername>
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| 20 | <date>$Date$</date>
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| 21 | </sect1info>
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| 22 |
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| 23 | <title>Ed-&ed-version;</title>
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| 24 |
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[c0ed152] | 25 | <indexterm zone="ed">
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| 26 | <primary sortas="a-Ed">Ed</primary>
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[13c7e881] | 27 | </indexterm>
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| 28 |
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[d820d781] | 29 | <sect2 role="package">
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[13c7e881] | 30 | <title>Introduction to Ed</title>
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| 31 |
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| 32 | <para><application>Ed</application> is a line-oriented text editor. It
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| 33 | is used to create, display, modify and otherwise manipulate text files,
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| 34 | both interactively and via shell scripts. Ed isn't something which many
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| 35 | people use. It's described here because it can be used by the patch
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| 36 | program if you encounter an ed-based patch file. This happens rarely
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| 37 | because diff-based patches are preferred these days.</para>
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[a4b9cd7] | 38 |
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| 39 | <caution>
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| 40 | <para><application>Ed</application> determines character boundaries
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| 41 | incorrectly in multibyte locales. See the
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| 42 | <xref linkend="locale-wrong-multibyte-characters"/>
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| 43 | section of the <xref linkend="locale-issues"/> page for a more
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| 44 | general discussion of this problem. Use of <application>Ed</application>
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| 45 | in installation instructions for BLFS packages such as
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| 46 | <xref linkend="tetex"/> is not a problem, as BLFS instructions never
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| 47 | use <application>Ed</application> to modify a file containing
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| 48 | non-ASCII characters.</para>
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| 49 | </caution>
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[13c7e881] | 50 |
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| 51 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 52 | <itemizedlist spacing="compact">
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| 53 | <listitem>
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| 54 | <para>Download (HTTP): <ulink url="&ed-download-http;"/></para>
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| 55 | </listitem>
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| 56 | <listitem>
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| 57 | <para>Download (FTP): <ulink url="&ed-download-ftp;"/></para>
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| 58 | </listitem>
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| 59 | <listitem>
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| 60 | <para>Download MD5 sum: &ed-md5sum;</para>
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| 61 | </listitem>
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| 62 | <listitem>
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| 63 | <para>Download size: &ed-size;</para>
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| 64 | </listitem>
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| 65 | <listitem>
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| 66 | <para>Estimated disk space required: &ed-buildsize;</para>
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| 67 | </listitem>
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| 68 | <listitem>
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| 69 | <para>Estimated build time: &ed-time;</para>
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| 70 | </listitem>
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| 71 | </itemizedlist>
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| 72 |
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| 73 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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| 74 | <itemizedlist spacing="compact">
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| 75 | <listitem>
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| 76 | <para>Required Patch: <ulink
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[597ea1b] | 77 | url="&patch-root;/ed-&ed-version;-mkstemp-2.patch"/></para>
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[13c7e881] | 78 | </listitem>
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| 79 | </itemizedlist>
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| 80 |
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[3597eb6] | 81 | <para condition="html" role="usernotes">User Notes:
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| 82 | <ulink url="&blfs-wiki;/ed"/></para>
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| 83 |
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[13c7e881] | 84 | </sect2>
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| 85 |
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| 86 | <sect2 role="installation">
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| 87 | <title>Installation of Ed</title>
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| 88 |
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| 89 | <para><application>Ed</application> normally uses the
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| 90 | <function>mktemp</function> function to create temporary files in
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| 91 | <filename class="directory">/tmp</filename>, but this function contains
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| 92 | a vulnerability (see the section on Temporary Files at
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| 93 | <ulink url="http://en.tldp.org/HOWTO/Secure-Programs-HOWTO/avoid-race.html"/>).
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| 94 | Apply the following patch to make <application>Ed</application> use
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| 95 | <function>mkstemp</function> instead, a secure way to create temporary
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| 96 | files:</para>
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| 97 |
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[5f2265c] | 98 | <screen><userinput>patch -Np1 -i ../ed-&ed-version;-mkstemp-2.patch</userinput></screen>
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[13c7e881] | 99 |
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| 100 | <para>Install <application>Ed</application> by running the following
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| 101 | commands:</para>
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| 102 |
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| 103 | <screen><userinput>./configure --prefix=/usr --exec-prefix="" &&
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| 104 | make</userinput></screen>
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| 105 |
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[c0ed152] | 106 | <para>To test the results, issue: <command>make check</command>.</para>
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| 107 |
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[13c7e881] | 108 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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| 109 |
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| 110 | <screen role="root"><userinput>make install</userinput></screen>
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| 111 |
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| 112 | </sect2>
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| 113 |
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| 114 | <sect2 role="commands">
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| 115 | <title>Command Explanations</title>
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| 116 |
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| 117 | <para><parameter>--exec-prefix=""</parameter>: This forces the programs
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| 118 | to be installed into the <filename class="directory">/bin</filename>
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| 119 | directory. Having the programs available there is useful in the event of
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| 120 | the <filename class="directory">/usr</filename> partition being
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| 121 | unavailable.</para>
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| 122 |
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| 123 | </sect2>
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| 124 |
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| 125 | <sect2 role="content">
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| 126 | <title>Contents</title>
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| 127 |
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| 128 | <segmentedlist>
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| 129 | <segtitle>Installed Programs</segtitle>
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| 130 | <segtitle>Installed Libraries</segtitle>
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| 131 | <segtitle>Installed Directories</segtitle>
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| 132 |
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| 133 | <seglistitem>
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| 134 | <seg>ed and red</seg>
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| 135 | <seg>None</seg>
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| 136 | <seg>None</seg>
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| 137 | </seglistitem>
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| 138 | </segmentedlist>
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| 139 |
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| 140 | <variablelist>
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| 141 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 142 | <?dbfo list-presentation="list"?>
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| 143 | <?dbhtml list-presentation="table"?>
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| 144 |
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| 145 | <varlistentry id="ed-prog">
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| 146 | <term><command>ed</command></term>
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| 147 | <listitem>
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| 148 | <para>is a line-oriented text editor.</para>
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| 149 | <indexterm zone="ed ed-prog">
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| 150 | <primary sortas="b-ed">ed</primary>
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| 151 | </indexterm>
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| 152 | </listitem>
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| 153 | </varlistentry>
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| 154 |
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| 155 | <varlistentry id="red">
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| 156 | <term><command>red</command></term>
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| 157 | <listitem>
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[13679edb] | 158 | <para>is a restricted <command>ed</command>—it can only edit
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| 159 | files in the current directory and cannot execute shell
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| 160 | commands.</para>
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[13c7e881] | 161 | <indexterm zone="ed red">
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| 162 | <primary sortas="b-red">red</primary>
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| 163 | </indexterm>
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| 164 | </listitem>
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| 165 | </varlistentry>
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| 166 |
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| 167 | </variablelist>
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| 168 |
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| 169 | </sect2>
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[0590c1b6] | 170 |
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| 171 | </sect1>
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