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12      <title>readFromIniFile</title>
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14      <meta name="date" content="2008-11-05">
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19<p class="header">RWTH - Mindstorms NXT Toolbox</p>
20      <div class="content">
21         <h1>readFromIniFile</h1>
22         <!--introduction-->
23         <p>Reads parameters from a configuration file (usually *.ini)</p>
24         <!--/introduction-->
25         <h2>Contents</h2>
26         <div>
27            <ul>
28               <li><a href="#2">Syntax</a></li>
29               <li><a href="#4">Description</a></li>
30               <li><a href="#11">Examples:</a></li>
31               <li><a href="#17">See also</a></li>
32               <li><a href="#20">Signature</a></li>
33            </ul>
34         </div>
35         <h2>Syntax<a name="2"></a></h2>
36         <p><tt>ret = readFromIniFile(AppName, KeyName, filename)</tt></p>
37         <h2>Description<a name="4"></a></h2>
38         <p>ret=readFromIniFile(AppName, KeyName, filename)</p>
39         <p>This function works like GetPrivateProfileString() from the Windows-API that is well known for reading ini-file data. The
40            parameters are:
41         </p>
42         <p>AppName  = Section name of the type [xxxx] KeyName  = Key name separated by an equal to sign, of the type abc = 123 filename
43            = ini file name to be used
44         </p>
45         <p>ret      = string (!) value of the key found, empty ('') if key was not found. Since it's a string, you have to convert to
46            integers / floats on your own.
47         </p>
48         <p>Note that AppName and KeyName are NOT case sensitive, and that whitespace between '=' and the value will be ignored (removed).</p>
49         <p>If the key or the AppName is not found, or if the inifile does not exist or could not be opened, '' will be returned (this
50            will also be returned when the key is empty).
51         </p>
52         <h2>Examples:<a name="11"></a></h2><pre class="codeinput">    <span class="comment">%a sample ini file (sample.ini) may have entries:</span>
53    <span class="comment">%</span>
54    <span class="comment">%   [XYZ]</span>
55    <span class="comment">%   abc=123</span>
56    <span class="comment">%   def=7</span>
57    <span class="comment">%   ; lines starting with a ; are comments</span>
58    <span class="comment">%   [ZZZ]</span>
59    <span class="comment">%   abc=890</span>
60</pre><pre class="codeinput"> readFromIniFile(<span class="string">'XYZ'</span>,<span class="string">'abc'</span>, <span class="string">'sample.ini'</span>) <span class="comment">% will return '123'</span>
61</pre><pre class="codeinput"> readFromIniFile(<span class="string">'ZZZ'</span>,<span class="string">'abc'</span>, <span class="string">'sample.ini'</span>) <span class="comment">% will return '890'</span>
62</pre><pre class="codeinput"> readFromIniFile(<span class="string">'XYZ'</span>,<span class="string">'def'</span>, <span class="string">'sample.ini'</span>) <span class="comment">% will return '7'</span>
63</pre><h2>See also<a name="17"></a></h2>
64
65         <div>
66            <ul>
67               <li><b>Author:</b> Linus Atorf (see AUTHORS)
68               </li>
69               <li><b>Date:</b> 2008/01/08
70               </li>
71               <li><b>Copyright:</b> 2007-2008, RWTH Aachen University
72               </li>
73            </ul>
74         </div>
75         <p class="footer"><br>
76            Published with wg_publish; V1.0<br></p>
77      </div>
78      <!--
79##### SOURCE BEGIN #####
80%% readFromIniFile
81% Reads parameters from a configuration file (usually *.ini)
82%%
83%% Syntax
84% |ret = readFromIniFile(AppName, KeyName, filename)|
85%%
86%% Description
87% ret=readFromIniFile(AppName, KeyName, filename)
88%%
89% This function works like GetPrivateProfileString() from the Windows-API
90% that is well known for reading ini-file data. The parameters are:
91%%
92% AppName  = Section name of the type [xxxx]
93% KeyName  = Key name separated by an equal to sign, of the type abc = 123
94% filename = ini file name to be used
95%%
96% ret      = string (!) value of the key found, empty ('') if key was not
97% found. Since it's a string, you have to convert to
98% integers / floats on your own.
99%%
100% Note that AppName and KeyName are NOT case sensitive, and that whitespace
101% between '=' and the value will be ignored (removed).
102%%
103% If the key or the AppName is not found, or if the inifile does not
104% exist or could not be opened, '' will be returned (this will also be
105% returned when the key is empty).
106%%
107%% Examples:
108    %a sample ini file (sample.ini) may have entries:
109    %
110    %   [XYZ]
111    %   abc=123
112    %   def=7
113    %   ; lines starting with a ; are comments
114    %   [ZZZ]
115    %   abc=890
116%%
117 readFromIniFile('XYZ','abc', 'sample.ini') % will return '123'
118%%
119 readFromIniFile('ZZZ','abc', 'sample.ini') % will return '890'
120%%
121 readFromIniFile('XYZ','def', 'sample.ini') % will return '7'
122%%
123%%
124%% See also
125%
126%%
127%%
128%% Signature
129%%
130% * *Author:* Linus Atorf (see AUTHORS)
131% * *Date:* 2008/01/08
132% * *Copyright:* 2007-2008, RWTH Aachen University
133%
134
135##### SOURCE END #####
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