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+++ b/relpipe-data/release-v0.10.xml Wed Feb 20 11:46:10 2019 +0100
@@ -0,0 +1,111 @@
+<stránka
+ xmlns="https://trac.frantovo.cz/xml-web-generator/wiki/xmlns/strana"
+ xmlns:m="https://trac.frantovo.cz/xml-web-generator/wiki/xmlns/makro">
+
+ <nadpis>Release v0.10</nadpis>
+ <perex>second public release of Relational pipes</perex>
+ <m:release>v0.10</m:release>
+
+ <text xmlns="http://www.w3.org/1999/xhtml">
+ <p>
+ We are pleased to introduce you the new version of <m:name/>.
+ This release brings Guile support and some minor changes:
+ </p>
+
+ <ul>
+ <li>
+ <strong>Guile transformations</strong>:
+ the new tool <code>relpipe-tr-guile</code> integrates GNU Guile
+ and allows writing filters (WHERE-like conditions) and transformations (SELECT-like projections)
+ in the Scheme language.
+ Filter could look like e.g. <code>--where '(or (= $size 666) (= $size 1984) )'</code>.
+ See the <m:a href="examples">examples</m:a> page for details.
+ </li>
+
+ <li>
+ <strong>ODS output</strong>:
+ Integer attributes are now generated with proper data type,
+ so e.g. in LibreOffice they are recognized as numbers instead of strings.
+ </li>
+
+ <li>
+ <strong>CSV output</strong>:
+ Now generates CRLF line-ends (as defined in RFC 4180).
+ </li>
+
+ <li>
+ <strong>Filesystem input</strong>:
+ Now allows custom relation names (option: <code>--relation</code>).
+ And default xattr namespace is now <code>user</code> so the attribute names do not have to be prefixed with <code>user.</code>.
+ </li>
+ </ul>
+ <!--
+ <p>
+ See the <m:a href="examples">examples</m:a> page for details.
+ </p>
+ -->
+
+ <h3>Data types</h3>
+ <ul>
+ <li m:since="v0.8">boolean</li>
+ <li m:since="v0.8">variable unsigned integer (prototype)</li>
+ <li m:since="v0.8">string in UTF-8</li>
+ </ul>
+ <h3>Inputs</h3>
+ <ul>
+ <li m:since="v0.9">XML</li>
+ <li m:since="v0.9">CSV</li>
+ <li m:since="v0.9">file system</li>
+ <li m:since="v0.8">CLI</li>
+ <li m:since="v0.8">fstab</li>
+ </ul>
+ <h3>Transformations</h3>
+ <ul>
+ <li m:since="v0.10">guile: filtering and transformations defined in the Scheme language using GNU Guile</li>
+ <li m:since="v0.8">grep: regular expression filter, removes unwanted records from the relation</li>
+ <li m:since="v0.8">cut: regular expression attribute cutter (removes or duplicates attributes and can also DROP whole relation)</li>
+ <li m:since="v0.8">sed: regular expression replacer</li>
+ <li m:since="v0.8">validator: just a pass-through filter that crashes on invalid data</li>
+ <li m:since="v0.8">python: highly experimental</li>
+ </ul>
+ <h3>Outputs</h3>
+ <ul>
+ <li m:since="v0.9">CSV</li>
+ <li m:since="v0.8">tabular</li>
+ <li m:since="v0.8">XML</li>
+ <li m:since="v0.8">nullbyte</li>
+ <li m:since="v0.8">GUI in Qt</li>
+ <li m:since="v0.8">ODS (LibreOffice)</li>
+ </ul>
+
+ <p>
+ Instalation was tested on Debian GNU/Linux 9.6.
+ The process should be similar on other distributions.
+ </p>
+
+ <m:pre src="examples/release-v0.10.sh" jazyk="bash" odkaz="ano"/>
+
+ <p>
+ <m:name/> are modular thus you can download and install only parts you need (the libraries are needed always).
+ Tools <code>out-gui.qt</code> and <code>tr-python</code> require additional libraries and are not built by default.
+ </p>
+
+ <p>
+ The module <code>relpipe-in-filesystem</code> uses C++ filesystem API which is supported since GCC 8.
+ This module can be compiled and seems usable even with GCC 6, but requires some patching (switch to the experimental API):
+ </p>
+
+ <m:pre jazyk="bash"><![CDATA[sed 's@#include <filesystem>@#include <experimental/filesystem>@g' -i "$RELPIPE_SRC"/relpipe-in-filesystem.cpp/src/FileAttributeFinder.h "$RELPIPE_SRC"/relpipe-in-filesystem.cpp/src/XattrAttributeFinder.h "$RELPIPE_SRC"/relpipe-in-filesystem.cpp/src/FilesystemCommand.h "$RELPIPE_SRC"/relpipe-in-filesystem.cpp/src/AttributeFinder.h
+sed 's@std::filesystem@std::experimental::filesystem@g' -i "$RELPIPE_SRC"/relpipe-in-filesystem.cpp/src/FileAttributeFinder.h "$RELPIPE_SRC"/relpipe-in-filesystem.cpp/src/XattrAttributeFinder.h "$RELPIPE_SRC"/relpipe-in-filesystem.cpp/src/FilesystemCommand.h "$RELPIPE_SRC"/relpipe-in-filesystem.cpp/src/AttributeFinder.h
+sed 's/.*PROPERTY CXX_STANDARD.*/#\0/g' -i "$RELPIPE_SRC"/relpipe-in-filesystem.cpp/src/CMakeLists.txt]]></m:pre>
+
+ <p>
+ The module <code>relpipe-tr-guile</code> uses GNU Guile 2.2 but can also work with 2.0.
+ In such case, it requires this patch:
+ </p>
+
+ <m:pre jazyk="bash"><![CDATA[sed 's/guile-2\.2/guile-2.0/g' -i "$RELPIPE_SRC"/relpipe-tr-guile.cpp/src/CMakeLists.txt]]></m:pre>
+
+ </text>
+
+</stránka>