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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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<h1>Penlight</h1>
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<li><a href="../index.html">Index</a></li>
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<h2>Contents</h2>
<ul>
<li><a href="#Functions">Functions</a></li>
</ul>
<h2>Modules</h2>
<ul>
<li><a href="../modules/pl.html">pl</a></li>
<li><a href="../modules/pl.Date.html">pl.Date</a></li>
<li><a href="../modules/pl.List.html">pl.List</a></li>
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<li><a href="../modules/pl.class.html">pl.class</a></li>
<li><a href="../modules/pl.comprehension.html">pl.comprehension</a></li>
<li><strong>pl.config</strong></li>
<li><a href="../modules/pl.data.html">pl.data</a></li>
<li><a href="../modules/pl.dir.html">pl.dir</a></li>
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<li><a href="../modules/pl.xml.html">pl.xml</a></li>
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<h2>Topics</h2>
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<li><a href="../topics/01-introduction.md.html">01-introduction.md</a></li>
<li><a href="../topics/02-arrays.md.html">02-arrays.md</a></li>
<li><a href="../topics/03-strings.md.html">03-strings.md</a></li>
<li><a href="../topics/04-paths.md.html">04-paths.md</a></li>
<li><a href="../topics/05-dates.md.html">05-dates.md</a></li>
<li><a href="../topics/06-data.md.html">06-data.md</a></li>
<li><a href="../topics/07-functional.md.html">07-functional.md</a></li>
<li><a href="../topics/08-additional.md.html">08-additional.md</a></li>
<li><a href="../topics/09-discussion.md.html">09-discussion.md</a></li>
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<h2>Examples</h2>
<ul>
<li><a href="../examples/seesubst.lua.html">seesubst.lua</a></li>
<li><a href="../examples/sipscan.lua.html">sipscan.lua</a></li>
<li><a href="../examples/symbols.lua.html">symbols.lua</a></li>
<li><a href="../examples/test-cmp.lua.html">test-cmp.lua</a></li>
<li><a href="../examples/test-data.lua.html">test-data.lua</a></li>
<li><a href="../examples/test-listcallbacks.lua.html">test-listcallbacks.lua</a></li>
<li><a href="../examples/test-pretty.lua.html">test-pretty.lua</a></li>
<li><a href="../examples/test-symbols.lua.html">test-symbols.lua</a></li>
<li><a href="../examples/testapp.lua.html">testapp.lua</a></li>
<li><a href="../examples/testclone.lua.html">testclone.lua</a></li>
<li><a href="../examples/testconfig.lua.html">testconfig.lua</a></li>
<li><a href="../examples/testglobal.lua.html">testglobal.lua</a></li>
<li><a href="../examples/testinputfields.lua.html">testinputfields.lua</a></li>
<li><a href="../examples/testinputfields2.lua.html">testinputfields2.lua</a></li>
<li><a href="../examples/testxml.lua.html">testxml.lua</a></li>
<li><a href="../examples/which.lua.html">which.lua</a></li>
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<div id="content">
<h1>Module <code>pl.config</code></h1>
<p>Reads configuration files into a Lua table.</p>
<p> Understands INI files, classic Unix config files, and simple
delimited columns of values.</p>
<pre><code># test.config
# Read timeout in seconds
read.timeout=10
# Write timeout in seconds
write.timeout=5
#acceptable ports
ports = 1002,1003,1004
-- readconfig.lua
require 'pl'
local t = config.read 'test.config'
print(pretty.write(t))
### output #####
{
ports = {
1002,
1003,
1004
},
write_timeout = 5,
read_timeout = 10
}
</code></pre>
<p> See the Guide for further <a href="../topics/06-data.md.html#Reading_Configuration_Files">discussion</a></p>
<p> Dependencies: none</p>
<h2><a href="#Functions">Functions</a></h2>
<table class="function_list">
<tr>
<td class="name" nowrap><a href="#lines">lines (file)</a></td>
<td class="summary">like io.lines(), but allows for lines to be continued with ‘'.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#read">read (file, cnfg)</a></td>
<td class="summary">read a configuration file into a table</td>
</tr>
</table>
<br/>
<br/>
<h2><a name="Functions"></a>Functions</h2>
<dl class="function">
<dt>
<a name = "lines"></a>
<strong>lines (file)</strong>
</dt>
<dd>
like io.lines(), but allows for lines to be continued with ‘'.
<h3>Parameters:</h3>
<ul>
<li><code><em>file</em></code>: a file-like object (anything where read() returns the next line) or a filename.
Defaults to stardard input.</li>
</ul>
<h3>Returns:</h3>
<ol>
<li>an iterator over the lines, or nil</li>
<li>error ‘not a file-like object’ or ‘file is nil’</li>
</ol>
</dd>
<dt>
<a name = "read"></a>
<strong>read (file, cnfg)</strong>
</dt>
<dd>
read a configuration file into a table
<h3>Parameters:</h3>
<ul>
<li><code><em>file</em></code>: either a file-like object or a string, which must be a filename</li>
<li><code><em>cnfg</em></code>: a configuration table that may contain these fields:
<ul>
<li> variablilize make names into valid Lua identifiers (default true)</li>
<li> convert_numbers try to convert values into numbers (default true)</li>
<li> trim_space ensure that there is no starting or trailing whitespace with values (default true)</li>
<li> trim_quotes remove quotes from strings (default false)</li>
<li> list_delim delimiter to use when separating columns (default ‘,’)</li>
</ul></li>
</ul>
<h3>Returns:</h3>
<ol>
<li>a table containing items, or nil</li>
<li>error message (same as <a href="../modules/pl.config.html#lines">config.lines</a></li>
</ol>
</dd>
</dl>
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