author | František Kučera <franta-hg@frantovo.cz> |
Sat, 11 Jan 2020 20:30:54 +0100 | |
branch | v_0 |
changeset 291 | 2fab532bda09 |
parent 282 | ec02133045a3 |
child 297 | 192b0059a6c4 |
permissions | -rw-r--r-- |
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<stránka |
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xmlns="https://trac.frantovo.cz/xml-web-generator/wiki/xmlns/strana" |
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xmlns:m="https://trac.frantovo.cz/xml-web-generator/wiki/xmlns/makro"> |
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<nadpis>Release v0.14</nadpis> |
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<perex>sixth public release of Relational pipes</perex> |
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<m:release>v0.14</m:release> |
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<text xmlns="http://www.w3.org/1999/xhtml"> |
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<p> |
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We are pleased to introduce you the new development version of <m:name/>. |
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This release brings the Bash completion scripts, improved SQL and AWK transformations and fixes the license version. |
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</p> |
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<li> |
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<strong>Bash completion</strong>: |
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thanks to the Bash completion scripts, the shell now suggests/completes the CLI arguments of these commands: |
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<code>relpipe-in-filesystem</code>, |
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<code>relpipe-in-xmltable</code>, |
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<code>relpipe-tr-awk</code>, |
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<code>relpipe-tr-guile</code>, |
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<code>relpipe-tr-sql</code>, |
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<code>relpipe-in-sql</code>. |
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</li> |
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<li> |
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<strong>Improved SQL transformation</strong>: |
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the <code>relpipe-tr-sql</code> can now work also in the <code>relpipe-in-sql</code> mode (symlink to the same binary), |
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so it can be used as an input filter for reading SQL scripts (instead of relational data) or as an SQLite client (options <code>--file</code> and <code>--file-keep</code>, see examples). |
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There are also new options <code>--copy</code> and <code>--copy-renamed</code> for copying particular (or all) relations from the input to the output. |
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Such relations are specified by a regular expression and can be renamed using regular expressions replacement string. |
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</li> |
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<li> |
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<strong>Improved AWK transformation</strong>: |
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this tool now supports the <code>--where</code> option, which can be used in addition to the more generic <code>--for-each</code> option. |
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The argument syntax now better expresses the intention (filtering records) and matches the syntax of the <code>relpipe-tr-guile</code> tool. |
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</li> |
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<li> |
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<strong>GNU GPLv3 license</strong>: the license version is now fixed to version 3. In the future, we can upgrade the license. |
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</li> |
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</ul> |
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<p> |
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See the <m:a href="examples">examples</m:a> and <m:a href="screenshots">screenshots</m:a> pages for details. |
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</p> |
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<p> |
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Please note that this is still a development relasease and thus the API (libraries, CLI arguments, formats) might and will change. |
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Any suggestions, ideas and bug reports are welcome in our <m:a href="contact">mailing list</m:a>. |
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</p> |
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<h3>Data types</h3> |
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<ul> |
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<li m:since="v0.8">boolean</li> |
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<li m:since="v0.8">variable unsigned integer (prototype)</li> |
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<li m:since="v0.8">string in UTF-8</li> |
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</ul> |
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<h3>Inputs</h3> |
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<ul> |
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<li m:since="v0.11">Recfile</li> |
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<li m:since="v0.9">XML</li> |
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<li m:since="v0.13">XMLTable</li> |
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<li m:since="v0.9">CSV</li> |
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<li m:since="v0.9">file system</li> |
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<li m:since="v0.8">CLI</li> |
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<li m:since="v0.8">fstab</li> |
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<li m:since="v0.14">SQL script</li> |
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</ul> |
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<h3>Transformations</h3> |
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<ul> |
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<li m:since="v0.13">sql: filtering and transformations using the SQL language</li> |
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<li m:since="v0.12">awk: filtering and transformations using the classic AWK tool and language</li> |
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<li m:since="v0.10">guile: filtering and transformations defined in the Scheme language using GNU Guile</li> |
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<li m:since="v0.8">grep: regular expression filter, removes unwanted records from the relation</li> |
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<li m:since="v0.8">cut: regular expression attribute cutter (removes or duplicates attributes and can also DROP whole relation)</li> |
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<li m:since="v0.8">sed: regular expression replacer</li> |
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<li m:since="v0.8">validator: just a pass-through filter that crashes on invalid data</li> |
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<li m:since="v0.8">python: highly experimental</li> |
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</ul> |
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<h3>Outputs</h3> |
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<ul> |
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<li m:since="v0.11">ASN.1 BER</li> |
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<li m:since="v0.11">Recfile</li> |
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<li m:since="v0.9">CSV</li> |
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<li m:since="v0.8">tabular</li> |
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<li m:since="v0.8">XML</li> |
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<li m:since="v0.8">nullbyte</li> |
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<li m:since="v0.8">GUI in Qt</li> |
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<li m:since="v0.8">ODS (LibreOffice)</li> |
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</ul> |
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<p> |
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Instalation was tested on Debian GNU/Linux 9.6. |
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The process should be similar on other distributions. |
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</p> |
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<m:pre src="examples/release-v0.14.sh" jazyk="bash" odkaz="ano"/> |
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<p> |
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<m:name/> are modular thus you can download and install only parts you need (the libraries are needed always). |
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Tools <code>out-gui.qt</code> and <code>tr-python</code> require additional libraries and are not built by default. |
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</p> |
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<p> |
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The module <code>relpipe-in-filesystem</code> uses C++ filesystem API which is supported since GCC 8. |
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This module can be compiled and seems usable even with GCC 6, but requires some patching (switch to the experimental API): |
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</p> |
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<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 |
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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 |
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sed 's/.*PROPERTY CXX_STANDARD.*/#\0/g' -i "$RELPIPE_SRC"/relpipe-in-filesystem.cpp/src/CMakeLists.txt]]></m:pre> |
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<p> |
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The module <code>relpipe-tr-guile</code> uses GNU Guile 2.2 but can also work with 2.0. |
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In such case, it requires this patch: |
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</p> |
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<m:pre jazyk="bash"><![CDATA[sed 's/guile-2\.2/guile-2.0/g' -i "$RELPIPE_SRC"/relpipe-tr-guile.cpp/src/CMakeLists.txt]]></m:pre> |
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Lepší odsazení, tabulátory.
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</text> |
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</stránka> |