Blame Documentation/Models/Docbook/Tcar-ug/Scripts/Bash/tuneup.docbook

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<sect1 id="scripts-bash-tuneup">
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    <title>Standardizing File Maintainance</title>
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    <para>
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        The <function>tuneup</function> functionality is the
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        interface the <command>centos-art.sh</command> script provides
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        to standardize the maintainance tasks related to individual
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        files inside the working copy.
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    </para>
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    <simplesect id="scripts-bash-tuneup-syntax">
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    <title>Syntax</title>
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    <screen>centos-art tuneup [OPTIONS] [DIRECTORY]</screen>
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    <para>
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        The <varname>DIRECTORY</varname> parameter specifies the
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        directory path, inside the working copy of &TCAR;, where the
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        files you want to process are stored in.  This paramter can be
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        provided more than once in order to process more than one
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        directory path in a single command execution.  When this
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        parameter is not provided, the current directory path where
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        the command was called from is used instead.
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    </para>
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    </simplesect>
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    <simplesect id="scripts-bash-tuneup-options">
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    <title>Options</title>
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    <para>
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        The <function>tuneup</function> functionality accepts the
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        following options: 
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    </para>
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    <variablelist>
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    <varlistentry>
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    <term><option>--quiet</option></term>
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    <listitem>
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    <para>
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        Supress all output messages except error messages.  When this
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        option is passed, all confirmation requests are supressed and
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        a possitive answer is assumed for them, just as if the
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        <option>--answer-yes</option> option would have been provided.
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    </para>
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    </listitem>
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    </varlistentry>
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    <varlistentry>
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    <term><option>--answer-yes</option></term>
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    <listitem>
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    <para>
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       Assume <emphasis>yes</emphasis> to all confirmation requests.
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    </para>
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    </listitem>
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    </varlistentry>
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    <varlistentry>
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    <term><option>--filter="REGEX"</option></term>
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    <listitem>
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    <para>
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        Reduce the list of files to process inside
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        <replaceable>path/to/dir</replaceable> using
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        <replaceable>REGEX</replaceable> as pattern.  You can use this
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        option to control the amount of files you want to tuneup.  The
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        deeper you go into the directory structure the more specific
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        you'll be about the files you want to tuneup.  When you cannot
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        go deeper into the directory structure through
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        <replaceable>path/to/dir</replaceable> specification, use this
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        option to reduce the list of files therein.
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    </para>
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    </listitem>
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    </varlistentry>
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    <varlistentry>
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    <term><option>--dont-commit-changes</option></term>
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    <listitem>
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    <para>
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        Supress all commit and update actions realized over files,
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        before and after the action itself had took place over files
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        in the working copy.
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    </para>
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    </listitem>
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    </varlistentry>
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    </variablelist>
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    </simplesect>
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    <simplesect id="scripts-bash-tuneup-description">
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    <title>Description</title>
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    <para>
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        Tasks related to file maintainance are repetitive. You might
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        find yourself doing them time after time inside the working
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        copy of &TCAR;. Some of these maintainance tasks do update top
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        comments on shell scripts, create table of contents for web
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        pages, update metadata related to design models and remove
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        unused definitions from design models.
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    </para>
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    <para>
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        When you execute the tuneup functionality of centos-art.sh
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        script, it looks for all files that match the supported
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        extensions (e.g., <filename class="extension">.sh</filename>,
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        <filename class="extension">.svg</filename> and 
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        class="extension">.xhtml</filename>) in the directory
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        specified, builds a list with them and applies the
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        maintainance tasks using file extensions as reference.
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    </para>
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    <para>
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        When shell scripts are found, the <function>tuneup</function>
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        functionality of centos-art.sh script reads a comment template
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        from
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        <filename>trunk/Scripts/Functions/Tuneup/Shell/Config/topcomment.sed</filename>
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        and applies it to all shell scripts found, one by one. As
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        result, all shell scripts will end up having the same
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        copyright and license information the comment template does.
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    </para>
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    <para>
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        In order for the shell script top comment template to be
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        applied correctly, the shell scripts you write must have the
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        structure described in <xref linkend="scripts-bash-tuneup-fig1" />.
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    </para>
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    <example id="scripts-bash-tuneup-fig1">
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    <title>Shell script top-comment template.</title>
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    <screenshot>
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    <screeninfo>Shell script top-comment template.</screeninfo>
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    <mediaobject>
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    <textobject>
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<programlisting>
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 1| #!/bin/bash
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 2| #
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 3| # doSomething.sh -- The function description goes here.
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 4| # 
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 5| # Copyright
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 6| #
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 7| # ...
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 8| #
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 9| # ----------------------------------------------------------------------
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10| # $Id$
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11| # ----------------------------------------------------------------------
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12|
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13| function doSomething {
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14|     
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15| }
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</programlisting>
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    </textobject>
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    </mediaobject>
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    </screenshot>
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    </example>
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    <para>
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        The <function>tuneup</function> functionality of
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        <command>centos-art.sh</command> script replaces all lines
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        between the <literal>Copyright</literal> line (e.g., line 5)
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        and the first separator line (e.g., line 9), inclusively.
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        Everything else will remain immutable in the file.
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    </para>
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    <para>
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        When scalable vector graphics are found, the tuneup
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        functionality reads a SVG metadata template from
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        <filename>trunk/Scripts/Functions/Tuneup/Svg/Config/metadata.sed</filename>
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        and applies it to all files found, one by one. Immediatly
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        after the metadata template has been applied and, before
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        passing to next file, all unused definition are removed from
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        the file, too.
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    </para>
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    <para>
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        The metadata applied by the SVG metadata template is created
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        dynamicaly combining the absolute path of the file being
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        currently modified, the workstation's date information, the
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        <command>centos-art.sh</command> script copyright holder
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        (e.g., =COPYRIGHT_HOLDER=) as reference and the Creative
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        Common Distribution-ShareAlike 3.0 License as default license
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        to release SVG files.
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    </para>
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    <para>
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        The elimination of unused definitions inside SVG files takes
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        place through Inkscape's <option>--vacuum-defs</option>
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        option, as described in its man page (e.g., <command>man
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        inkscape</command>).
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    </para>
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    <para>
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        When HTML files are found, the <function>tuneup</function>
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        functionality of <command>centos-art.sh</command> script
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        transforms web page headings to make them accessible through a
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        table of contents.  The table of contents is expanded in
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        place, wherever the <div
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        class="toc"></div> piece of code be in the
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        file.  Once the table of contents has been expanded, there is
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        no need to put anything else in the page.  You can run the
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        <function>tuneup</function> functionality everytime you update
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        the heading information so as to update the table of contents,
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        too.
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    </para>
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    <para>
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        In order for this functionality to build the table of contents
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        from headings, you need to put headings in just one line. The
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        headin level can vary from h1 to h6
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        with attribute definitions accepted.  Closing tag must be
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        present and also match the openning tag.  Inside the heading
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        definition an anchor definition must be present with attribute
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        definitions accepted. The value of <property>name</property>
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        and <property>href</property> attributes from the anchor
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        element are set dynamically using the md5sum output of
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        combining the page location, the <literal>head-</literal>
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        string and the heading content itself.  If any of the
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        components used to build the heading reference changes, you
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        need to run the the tuneup functionality of
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        <command>centos-art.sh</command> script in order for the
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        anchor elements to use the correct information.
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    </para>
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    <para>
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        For example, the headings shown in 
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        linkend="scripts-bash-tuneup-fig2" /> produces the table of
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        contents shown in <xref linkend="scripts-bash-tuneup-fig3" />.
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    </para>
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    <example id="scripts-bash-tuneup-fig2">
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    <title>HTML heading definition.</title>
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    <screenshot>
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    <screeninfo>HTML heading definition.</screeninfo>
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    <mediaobject>
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    <textobject>
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<programlisting>
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<h1 class="title"><a name="head-8a23b56a28dfa7277d176576f217054a">Forms</a></h1>
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<h2 class="title"><a name="head-629f38bc607f2a270177106b450aeae3">Elements</a></h2>
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<h2 class="title"><a name="head-f49cae1d73592c984bbb0bffb1d5699a">Recommendations</a></h2>
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</programlisting>
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    </textobject>
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    </mediaobject>
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    </screenshot>
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    </example>
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    <example id="scripts-bash-tuneup-fig3">
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    <title>HTML table of contents definition.</title>
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    <screenshot>
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    <screeninfo>HTML table of contents definition.</screeninfo>
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    <mediaobject>
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    <textobject>
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<programlisting>
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<div class="toc"> <p>Table of contents</p> <dl><dt><a href="#head-8a23b56a28dfa7277d176576f217054a">Forms</a> <dl><dt><a href="#head-629f38bc607f2a270177106b450aeae3">Elements</a> </dt><dt><a href="#head-f49cae1d73592c984bbb0bffb1d5699a">Recommendations</a> </dt></dl> </dt></dl> </div>
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</programlisting>
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    </textobject>
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    </mediaobject>
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    </screenshot>
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    </example>
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    </simplesect>
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    <simplesect id="script-bash-tuneup-environment">
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    <title>Function Specific Environment</title>
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    <para>
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        ...
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    </para>
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    </simplesect>
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    <simplesect id="scripts-bash-tuneup-authors">
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    <title>Authors</title>
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    <para>
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        The following people have worked in the
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        <function>tuneup</function> functionality:
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    </para>
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    <itemizedlist>
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    <listitem>
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    <para>
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        Alain Reguera Delgado <<ulink url="mailto:alain.reguera@gmail.com">alain.reguera@gmail.com</ulink>>, =COPYRIGHT_YEAR_LIST=
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    </para>
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    </listitem>
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    </itemizedlist>
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    </simplesect>
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    <simplesect id="scripts-bash-tuneup-licence">
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    <title>License</title>
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    <para>
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        Copyright © =COPYRIGHT_YEAR_LIST= The CentOS Project
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    </para>
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    <para>
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        This program is free software; you can redistribute it and/or
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        modify it under the terms of the GNU General Public License as
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        published by the Free Software Foundation; either version 2 of
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        the License, or (at your option) any later version.
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    </para>
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    <para>
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        This program is distributed in the hope that it will be
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        useful, but WITHOUT ANY WARRANTY; without even the implied
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        warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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        PURPOSE.  See the GNU General Public License for more details.
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    </para>
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    <para>
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        You should have received a copy of the GNU General Public
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        License along with this program; if not, write to the Free
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        Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
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        USA.
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    </para>
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    </simplesect>
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</sect1>