[ab4fdfc] | 1 | <?xml version="1.0" encoding="UTF-8"?>
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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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[52d29f7] | 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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[8dfc5c3] | 7 | <!ENTITY unzip-download-http "&sourceforge-dl;/infozip/unzip60.tar.gz">
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[f8b4f14] | 8 | <!ENTITY unzip-download-ftp " ">
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[ef1a22c6] | 9 | <!ENTITY unzip-md5sum "62b490407489521db863b523a7f86375">
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| 10 | <!ENTITY unzip-size "1.3 MB">
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| 11 | <!ENTITY unzip-buildsize "9 MB">
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[d45a8367] | 12 | <!ENTITY unzip-time "less than 0.1 SBU">
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[52d29f7] | 13 | ]>
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| 14 |
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[5c5cdbc] | 15 | <sect1 id="unzip" xreflabel="UnZip-&unzip-version;">
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[c88ffaa] | 16 | <?dbhtml filename="unzip.html"?>
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| 17 |
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| 18 |
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| 19 | <title>UnZip-&unzip-version;</title>
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| 20 |
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| 21 | <indexterm zone="unzip">
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| 22 | <primary sortas="a-UnZip">UnZip</primary>
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| 23 | </indexterm>
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| 24 |
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| 25 | <sect2 role="package">
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| 26 | <title>Introduction to UnZip</title>
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| 27 |
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[b1532549] | 28 | <para>
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| 29 | The <application>UnZip</application> package contains
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| 30 | <filename>ZIP</filename> extraction utilities. These are useful for
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| 31 | extracting files from <filename>ZIP</filename> archives.
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| 32 | <filename>ZIP</filename> archives are created with
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| 33 | <application>PKZIP</application> or <application>Info-ZIP</application>
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| 34 | utilities, primarily in a DOS environment.
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| 35 | </para>
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[9c90b1b] | 36 |
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[9c48a24b] | 37 | &lfs122_checked;
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[06f76d2c] | 38 |
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[9c90b1b] | 39 | <caution>
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[b1532549] | 40 | <para>
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| 41 | The previous version of the <application>UnZip</application>
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| 42 | package had some locale related issues. Currently there are no BLFS
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| 43 | editors capable of testing these locale issues. Therefore, the
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| 44 | locale related information is left on this page, but has not been
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| 45 | tested. A more general discussion of these problems can be found in
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| 46 | the <xref linkend="locale-assumed-encoding"/> section of the <xref
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| 47 | linkend="locale-issues"/> page.
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| 48 | </para>
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[9c90b1b] | 49 | </caution>
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[c88ffaa] | 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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[b1532549] | 54 | <para>
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| 55 | Download (HTTP): <ulink url="&unzip-download-http;"/>
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| 56 | </para>
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[c88ffaa] | 57 | </listitem>
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| 58 | <listitem>
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[b1532549] | 59 | <para>
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| 60 | Download (FTP): <ulink url="&unzip-download-ftp;"/>
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| 61 | </para>
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[c88ffaa] | 62 | </listitem>
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| 63 | <listitem>
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[b1532549] | 64 | <para>
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| 65 | Download MD5 sum: &unzip-md5sum;
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| 66 | </para>
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[c88ffaa] | 67 | </listitem>
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| 68 | <listitem>
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[b1532549] | 69 | <para>
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| 70 | Download size: &unzip-size;
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| 71 | </para>
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[c88ffaa] | 72 | </listitem>
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| 73 | <listitem>
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[b1532549] | 74 | <para>
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| 75 | Estimated disk space required: &unzip-buildsize;
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| 76 | </para>
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[c88ffaa] | 77 | </listitem>
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| 78 | <listitem>
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[b1532549] | 79 | <para>
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| 80 | Estimated build time: &unzip-time;
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| 81 | </para>
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[c88ffaa] | 82 | </listitem>
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| 83 | </itemizedlist>
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[f5304565] | 84 |
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[864b24de] | 85 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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[f5304565] | 86 | <itemizedlist spacing='compact'>
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[c91c114] | 87 | <listitem>
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[b1532549] | 88 | <para>
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| 89 | Required patch: <ulink
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| 90 | url="&patch-root;/unzip-&unzip-version;-consolidated_fixes-1.patch"/>
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| 91 | </para>
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[c91c114] | 92 | </listitem>
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[f3a6c58f] | 93 | <listitem>
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| 94 | <para>
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| 95 | Required patch: <ulink
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| 96 | url="&patch-root;/unzip-&unzip-version;-gcc14-1.patch"/>
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| 97 | </para>
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| 98 | </listitem>
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[864b24de] | 99 | </itemizedlist>
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[f5304565] | 100 |
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[c88ffaa] | 101 | </sect2>
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| 102 |
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[86eaa277] | 103 | <sect2 id="unzip-locale-issues">
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| 104 | <title>UnZip Locale Issues</title>
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| 105 |
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| 106 | <note>
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[b1532549] | 107 | <para>
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| 108 | Use of <application>UnZip</application> in the
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| 109 | <application>JDK</application>, <application>Mozilla</application>,
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| 110 | <application>DocBook</application> or any other BLFS package
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| 111 | installation is not a problem, as BLFS instructions never use
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| 112 | <application>UnZip</application> to extract a file with non-ASCII
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| 113 | characters in the file's name.
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| 114 | </para>
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[86eaa277] | 115 | </note>
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| 116 |
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[b1532549] | 117 | <para>
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| 118 | These issues are thought to be fixed in the patch. But since none
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| 119 | of the editors have data to test this, the following workarounds are
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| 120 | retained in case they might still be needed.
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| 121 | </para>
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| 122 |
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| 123 | <para>
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| 124 | The <application>UnZip</application> package assumes that filenames
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| 125 | stored in the ZIP archives created on non-Unix systems are encoded in
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| 126 | CP850, and that they should be converted to ISO-8859-1 when writing files
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| 127 | onto the filesystem. Such assumptions are not always valid. In fact,
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| 128 | inside the ZIP archive, filenames are encoded in the DOS codepage that is
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| 129 | in use in the relevant country, and the filenames on disk should be in
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| 130 | the locale encoding. In MS Windows, the OemToChar() C function (from
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| 131 | <filename>User32.DLL</filename>) does the correct conversion (which is
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| 132 | indeed the conversion from CP850 to a superset of ISO-8859-1 if MS
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| 133 | Windows is set up to use the US English language), but there is no
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| 134 | equivalent in Linux.
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| 135 | </para>
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| 136 |
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| 137 | <para>
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| 138 | When using <command>unzip</command> to unpack a ZIP archive
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| 139 | containing non-ASCII filenames, the filenames are damaged because
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| 140 | <command>unzip</command> uses improper conversion when any of its
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| 141 | encoding assumptions are incorrect. For example, in the ru_RU.KOI8-R
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| 142 | locale, conversion of filenames from CP866 to KOI8-R is required, but
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| 143 | conversion from CP850 to ISO-8859-1 is done, which produces filenames
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| 144 | consisting of undecipherable characters instead of words (the closest
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| 145 | equivalent understandable example for English-only users is rot13). There
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| 146 | are several ways around this limitation:
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| 147 | </para>
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| 148 |
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| 149 | <para>
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| 150 | 1) For unpacking ZIP archives with filenames containing non-ASCII
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[6e2eb5cf] | 151 | characters, use <ulink url="https://www.winzip.com/">WinZip</ulink> while
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[2e07201] | 152 | running the <ulink url="https://www.winehq.org/">Wine</ulink> Windows
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[b1532549] | 153 | emulator.
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| 154 | </para>
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| 155 |
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| 156 | <para>
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| 157 | 2) Use <command>bsdtar -xf</command> from
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| 158 | <xref role="nodep" linkend="libarchive"/> to unpack the ZIP archive.
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| 159 | Then fix the damage made to
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| 160 | the filenames using the <command>convmv</command> tool
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[6e2eb5cf] | 161 | (<ulink url="https://j3e.de/linux/convmv/"/>). The following is an example
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[b1532549] | 162 | for the zh_CN.UTF-8 locale:
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| 163 | </para>
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[86eaa277] | 164 |
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[810c25c] | 165 | <screen><userinput>convmv -f cp936 -t utf-8 -r --nosmart --notest \
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[86eaa277] | 166 | <replaceable></path/to/unzipped/files></replaceable></userinput></screen>
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[f1c2a4f] | 167 | <!--
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[b1532549] | 168 | <para>
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| 169 | 3) Apply the optional
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| 170 | <filename>unzip-5.50-alt-iconv-v1.1.patch</filename> patch to
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| 171 | <application>UnZip</application>. It will apply with some offsets.
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| 172 | </para>
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| 173 |
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| 174 | <para>
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| 175 | It allows to specify the assumed filename encoding in the ZIP
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| 176 | archive using the <option>-O charset_name</option> option and the
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| 177 | on-disk filename encoding using the <option>-I charset_name</option>
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| 178 | option. Defaults: the on-disk filename encoding is the locale encoding,
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| 179 | the encoding inside the ZIP archive is guessed according to the builtin
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| 180 | table based on the locale encoding. For US English users, this still
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| 181 | means that unzip converts from CP850 to ISO-8859-1 by default.
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| 182 | </para>
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| 183 |
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| 184 | <para>
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| 185 | Caveat: this method works only with 8-bit locale encodings, not
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| 186 | with UTF-8. Attempting to use a patched <command>unzip</command> in UTF-8
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| 187 | locales may result in a segmentation fault and is probably a security
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| 188 | risk.
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| 189 | </para>
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[f1c2a4f] | 190 | -->
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[86eaa277] | 191 | </sect2>
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| 192 |
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[c88ffaa] | 193 | <sect2 role="installation">
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| 194 | <title>Installation of UnZip</title>
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| 195 |
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[f5304565] | 196 | <para>
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[f3a6c58f] | 197 | First apply the patches:
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[f5304565] | 198 | </para>
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| 199 |
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[f3a6c58f] | 200 | <screen><userinput remap="pre">patch -Np1 -i ../unzip-&unzip-version;-consolidated_fixes-1.patch
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| 201 | patch -Np1 -i ../unzip-&unzip-version;-gcc14-1.patch</userinput></screen>
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[f5304565] | 202 |
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| 203 | <para>
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| 204 | Now compile the package:
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| 205 | </para>
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[c88ffaa] | 206 |
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[abd464a] | 207 | <screen><userinput>make -f unix/Makefile generic</userinput></screen>
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[c88ffaa] | 208 |
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[b1532549] | 209 | <para>
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[af2b317] | 210 | The test suite does not work for target <literal>generic</literal>.
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[b1532549] | 211 | </para>
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[f3429309] | 212 |
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[b1532549] | 213 | <para>
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| 214 | Now, as the <systemitem class="username">root</systemitem> user:
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| 215 | </para>
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[c88ffaa] | 216 |
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[abd464a] | 217 | <screen role="root"><userinput>make prefix=/usr MANDIR=/usr/share/man/man1 \
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| 218 | -f unix/Makefile install</userinput></screen>
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[c88ffaa] | 219 |
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| 220 | </sect2>
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| 221 |
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| 222 | <sect2 role="commands">
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| 223 | <title>Command Explanations</title>
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| 224 |
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[b1532549] | 225 | <para>
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| 226 | <command>make -f unix/Makefile generic</command>:
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| 227 | This target begins by running a configure script (unlike the older
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| 228 | targets such as linux and linux_noasm) which creates a flags file that
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| 229 | is then used in the build. This ensures that the 32-bit x86 build
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[3d516cf] | 230 | receives the right flags to unzip files which are larger than 2 GB
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[b1532549] | 231 | when extracted.
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| 232 | </para>
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[c88ffaa] | 233 |
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| 234 | </sect2>
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| 235 |
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| 236 | <sect2 role="content">
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| 237 | <title>Contents</title>
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| 238 |
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| 239 | <segmentedlist>
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| 240 | <segtitle>Installed Programs</segtitle>
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[0573d3fc] | 241 | <segtitle>Installed Libraries</segtitle>
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[c88ffaa] | 242 | <segtitle>Installed Directories</segtitle>
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| 243 |
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| 244 | <seglistitem>
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| 245 | <seg>funzip, unzip, unzipfsx, zipgrep, and zipinfo</seg>
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[0573d3fc] | 246 | <seg>None</seg>
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[c88ffaa] | 247 | <seg>None</seg>
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| 248 | </seglistitem>
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| 249 | </segmentedlist>
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| 250 |
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| 251 | <variablelist>
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| 252 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 253 | <?dbfo list-presentation="list"?>
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| 254 | <?dbhtml list-presentation="table"?>
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| 255 |
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| 256 | <varlistentry id="funzip">
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| 257 | <term><command>funzip</command></term>
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| 258 | <listitem>
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[b1532549] | 259 | <para>
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| 260 | allows the output of <command>unzip</command> commands to be
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[4c24eb0a] | 261 | redirected
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[b1532549] | 262 | </para>
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[c88ffaa] | 263 | <indexterm zone="unzip funzip">
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| 264 | <primary sortas="b-funzip">funzip</primary>
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| 265 | </indexterm>
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| 266 | </listitem>
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| 267 | </varlistentry>
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| 268 |
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| 269 | <varlistentry id="unzip-prog">
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| 270 | <term><command>unzip</command></term>
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| 271 | <listitem>
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[b1532549] | 272 | <para>
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| 273 | lists, tests or extracts files from a <filename>ZIP</filename>
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[4c24eb0a] | 274 | archive
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[b1532549] | 275 | </para>
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[c88ffaa] | 276 | <indexterm zone="unzip unzip-prog">
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| 277 | <primary sortas="b-unzip">unzip</primary>
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| 278 | </indexterm>
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| 279 | </listitem>
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| 280 | </varlistentry>
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| 281 |
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| 282 | <varlistentry id="unzipfsx">
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| 283 | <term><command>unzipfsx</command></term>
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| 284 | <listitem>
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[b1532549] | 285 | <para>
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| 286 | is a self-extracting stub that can be prepended to a
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| 287 | <filename>ZIP</filename> archive. Files in this format allow the
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| 288 | recipient to decompress the archive without installing
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[4c24eb0a] | 289 | <application>UnZip</application>
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[b1532549] | 290 | </para>
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[c88ffaa] | 291 | <indexterm zone="unzip unzipfsx">
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| 292 | <primary sortas="b-unzipfsx">unzipfsx</primary>
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| 293 | </indexterm>
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| 294 | </listitem>
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| 295 | </varlistentry>
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| 296 |
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| 297 | <varlistentry id="zipgrep">
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| 298 | <term><command>zipgrep</command></term>
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| 299 | <listitem>
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[b1532549] | 300 | <para>
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| 301 | searches files in a <filename>ZIP</filename> archive for
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[4c24eb0a] | 302 | lines matching a pattern
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[b1532549] | 303 | </para>
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[c88ffaa] | 304 | <indexterm zone="unzip zipgrep">
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| 305 | <primary sortas="b-zipgrep">zipgrep</primary>
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| 306 | </indexterm>
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| 307 | </listitem>
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| 308 | </varlistentry>
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| 309 |
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| 310 | <varlistentry id="zipinfo">
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| 311 | <term><command>zipinfo</command></term>
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| 312 | <listitem>
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[b1532549] | 313 | <para>
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| 314 | produces technical information about the files in a
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| 315 | <filename>ZIP</filename> archive, including file access permissions,
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[4c24eb0a] | 316 | encryption status, type of compression, etc
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[b1532549] | 317 | </para>
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[c88ffaa] | 318 | <indexterm zone="unzip zipinfo">
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| 319 | <primary sortas="b-zipinfo">zipinfo</primary>
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| 320 | </indexterm>
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| 321 | </listitem>
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| 322 | </varlistentry>
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[44b8f10] | 323 | <!--
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[c88ffaa] | 324 | <varlistentry id="libunzip">
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| 325 | <term><filename class='libraryfile'>libunzip.so</filename></term>
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| 326 | <listitem>
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[b1532549] | 327 | <para>
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| 328 | contains the API functions required by the
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| 329 | <application>UnZip</application> programs.
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| 330 | </para>
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[c88ffaa] | 331 | <indexterm zone="unzip libunzip">
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| 332 | <primary sortas="c-libunzip">libunzip.so</primary>
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| 333 | </indexterm>
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| 334 | </listitem>
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| 335 | </varlistentry>
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[44b8f10] | 336 | -->
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[c88ffaa] | 337 | </variablelist>
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| 338 |
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| 339 | </sect2>
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[f45b1953] | 340 |
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| 341 | </sect1>
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