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<html>
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The CentOS Artwork Repository exists to organize and automate The
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CentOS Project corporate visual identity (, to
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start on).
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Copyright C 2009, 2010 Alain Reguera Delgado. All rights
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reserved.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.2 or
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any later version published by the Free Software Foundation; with no
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Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A
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copy of the license is included in the section entitled GNU Free
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Documentation License.
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-->
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Written by: Lionel Cons <Lionel.Cons@cern.ch> (original author)
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Karl Berry <karl@freefriends.org>
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Olaf Bachmann <obachman@mathematik.uni-kl.de>
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and many others.
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Send bugs and suggestions to <users@texi2html.cvshome.org>
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-->
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<head>
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<title>CentOS Artwork Repository: 3.43 trunk/Scripts/Bash/Functions/Svg</title>
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<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
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[ < ]
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[ > ]
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[ << ]
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[ Up ]
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[ >> ]
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[Top]
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[Contents]
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[Index]
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[ ? ]
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3.43 trunk/Scripts/Bash/Functions/Svg
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3.43.1 Goals
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This section exists to organize files related to svg
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functionality of <tt>`centos-art.sh'</tt> script.
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3.43.2 Description
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The svg functionality of <tt>`centos-art.sh'</tt> script helps you
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to maintain scalable vector graphics (SVG) inside repository. For
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example, suppose you've been working in CentOS default design models
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under <tt>`trunk/Identity/Themes/Models/'</tt>, and you want to set common
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metadata to all of them, and later remove all unused SVG defintions
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from <samp>`*.svg'</samp> files. Doing so file by file may be a tedious task,
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so the <tt>`centos-art.sh'</tt> script provides the svg
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functionality to aid you maintain such actions.
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3.43.2.1 Metadata maintainance
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The metadata used is defined by Inkscape 0.46 using the SVG standard
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markup. The <tt>`centos-art.sh'</tt> script replaces everything
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in-between <metadata and </metadata> tags with a
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predefined metadata template we've set for this purpose.
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The metadata template was created using the metadata information of a
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file which, using Inkscape 0.46, all metadata fields were set. This
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created a complete markup representation of how SVG metadata would
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look like. Later, we replaced every single static value with a
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translation marker in the form <samp>`=SOMETEXT='</samp>, where
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SOMETEXT is the name of its main opening tag. Later, we
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transform the metadata template into a sed replacement set of commads
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escaping new lines at the end of each line.
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With metadata template in place, the <tt>`centos-art.sh'</tt> script uses
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it to create a metadata template instance for the file being processed
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currently. The metadata template instance contains the metadata
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portion of sed replacement commands with translation markers already
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traduced. In this action, instance creation, is where we take
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advantage of automation and generate metadata values like title, date,
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keywords, source, identifier, and relation dynamically, based on the
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file path <tt>`centos-art.sh'</tt> script is currently creating metadata
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information for.
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With metadata template instance in place, the <tt>`centos-art.sh'</tt>
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script uses it to replace real values inside all <samp>`.svg'</samp> files
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under the current location you're running the <tt>`centos-art.sh'</tt>
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script on. Default behaviour is to ask user to enter each metadatum
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required, one by one. If user leaves metadatum empty, by pressing
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RET key, <tt>`centos-art.sh'</tt> uses its default value.
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The <tt>`centos-art.sh'</tt> script modifies the following metadata:
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<samp>`Title'</samp>
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Name by which this document is formally known. If no value is set
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here, <tt>`centos-art.sh'</tt> script uses the file name as title.
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<samp>`Date'</samp>
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Date associated with the creation of this document (YYYY-MM-DD). If no
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value is set here, <tt>`centos-art.sh'</tt> script uses the current date
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information as in date +%Y-%m-%d.
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<samp>`Creator'</samp>
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Name of entity primarily responsible for making the content of this
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document. If no value is set here, <tt>`centos-art.sh'</tt> script uses
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the string <samp>`The CentOS Project'</samp>.
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<samp>`Rights'</samp>
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Name of entity with rights to the intellectual Property of this
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document. If no value is set here, <tt>`centos-art.sh'</tt> script uses
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the string <samp>`The CentOS Project'</samp>.
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<samp>`Publisher'</samp>
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Name of entity responsible for making this document available. If no
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value is set here, <tt>`centos-art.sh'</tt> script uses the string
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<samp>`The CentOS Project'</samp>.
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<samp>`Identifier'</samp>
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Unique URI to reference this document. If no value is set here,
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<tt>`centos-art.sh'</tt> script uses the current file path to build the
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related url that points to current file location inside repository
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central server.
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<samp>`Source'</samp>
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Unique URI to reference the source of this document. If no value is
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set here, <tt>`centos-art.sh'</tt> script uses current file path to build
|
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the related url that points to current file location inside repository
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central server.
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<samp>`Relation'</samp>
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Unique URI to a related document. If no value is set here,
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915635 |
<tt>`centos-art.sh'</tt> script uses current file path to build the
|
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915635 |
related url that points to current file location inside repository
|
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915635 |
central server.
|
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915635 |
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915635 |
<samp>`Language'</samp>
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Two-letter language tag with optional subtags for the language of this
|
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document. (e.g. <samp>`en-GB'</samp>). If no value is set here,
|
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<tt>`centos-art.sh'</tt> script uses the current locale information as in
|
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cli_getCurrentLocale function.
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<samp>`Keywords'</samp>
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The topic of this document as comma-separated key words, prhases, or
|
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classifications. If no value is set here, <tt>`centos-art.sh'</tt> script
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uses file path to build
|
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<samp>`Coverage'</samp>
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Extent or scope of this document. If no value is set here,
|
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915635 |
<tt>`centos-art.sh'</tt> script uses the string <samp>`The CentOS Project'</samp>.
|
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915635 |
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915635 |
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<samp>`Description'</samp>
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915635 |
Description about the document. If no value is set here,
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915635 |
<tt>`centos-art.sh'</tt> script uses uses empty value as default.
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915635 |
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<samp>`Contributors'</samp>
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915635 |
People that contributes in the creation/maintainance of the document.
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915635 |
If no value is set here, <tt>`centos-art.sh'</tt> script uses uses empty
|
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915635 |
value as default.
|
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cb2a5d |
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915635 |
The <samp>`License'</samp> metadatum is not set as a choise, by now. It is
|
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09d4f2 |
fixed Creative Common Attribution Share-Alike 3.0 License. This is done in order to
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grant license consistency among all SVG files we manage inside CentOS
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Artwork Repository.
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09d4f2 |
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3.43.2.2 Unused definitions
|
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As SVG files grow they may end up with unused definitions inside. For
|
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915635 |
example, if you stop using a pattern or gradient, tags used to define
|
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915635 |
them are considered unused definitions then. Inkscape 0.46 brings the
|
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915635 |
<samp>`Vaccum Defs'</samp> feature to remove those unused definitions from SVG
|
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915635 |
files. The <samp>`Vaccum Defs'</samp> feature is available both at graphical
|
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915635 |
interface and command line interface.
|
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915635 |
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915635 |
If you have one or two couple of files, removing unused SVG
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definitions using graphical interface may be enough to you. In
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915635 |
contrast, if you have houndred of files to maintain it is not a fun
|
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task to use the gui interface to remove unused SVG definitions editing
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915635 |
those files one by one.
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915635 |
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915635 |
To remove unused SVG definitions from several SVG files, the
|
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915635 |
<tt>`centos-art.sh'</tt> script uses Inkscape's command-line interface,
|
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915635 |
specifically with the <samp>`--vaccum-defs'</samp> option.
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081970 |
3.43.3 Usage
|
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081970 |
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2c8180 |
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centos-art svg --update-metadata='path/to/dir'
|
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915635 |
centos-art svg --update-metadata='path/to/dir' --filter='regex'
|
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915635 |
Use these commands to update metadata information to <samp>`.svg'</samp> files
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915635 |
under <samp>`path/to/dir'</samp> directory.
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2c8180 |
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centos-art svg --vacuum-defs='path/to/dir'
|
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915635 |
centos-art svg --vacuum-defs='path/to/dir' --filter='regex'
|
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915635 |
Use these commands to remove unused definitions inside <samp>`.svg'</samp>
|
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915635 |
files under <samp>`path/to/dir'</samp> directory.
|
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2c8180 |
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081970 |
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When you provide <samp>`--filter='regex''</samp> argument, the list of files
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to process is reduced as specified in <samp>`regex'</samp> regular expression.
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Inside <tt>`centos-art.sh'</tt> script, the <samp>`regex'</samp> regular
|
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expression is used in combination with find command to look
|
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for files matching the regular expression path pattern.
|
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915635 |
|
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915635 |
 Warning In order for <samp>`regex'</samp> regular expression to match
|
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915635 |
a file, the <samp>`regex'</samp> regular expresion must match the whole file
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915635 |
path not just the file name.
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915635 |
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081970 |
|
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915635 |
For example, if you want to match all <tt>`summary.svg'</tt> files inside
|
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915635 |
<tt>`path/to/dir'</tt>, use the .+/summary regular expression.
|
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915635 |
Later, <tt>`centos-art.sh'</tt> script uses this value inside
|
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915635 |
^$REGEX\.svg$ expression in order to build the final regular
|
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915635 |
expression (i.e., ^.+/summary\.svg$) that is evaluated against
|
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915635 |
available file paths inside the list of files to process.
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915635 |
|
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Exceptionally, when you provide <samp>`--filter='regex''</samp> in the way
|
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915635 |
that <samp>`regex'</samp>, appended to <samp>`path/to/dir/'</samp> (i.e.
|
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<samp>`path/to/dir/regex'</samp>), matches a regular file; the
|
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<tt>`centos-art.sh'</tt> script uses the file matching as only file in the
|
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915635 |
list of files to process.
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3.43.4 See also
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915635 |
|
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915635 |
3.34 trunk/Scripts/Bash
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915635 |
|
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915635 |
3.35 trunk/Scripts/Bash/Functions
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915635 |
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[ < ]
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[ > ]
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4c79b5 |
[ << ]
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09d4f2 |
[ Up ]
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[ >> ]
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<font size="-1">
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</font>
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</html>
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