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revision 332 by maya, Sun Dec 17 15:20:31 2006 UTC revision 561 by maya, Mon Sep 17 08:28:23 2007 UTC
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1  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
2    "http://www.w3.org/TR/html4/strict.dtd">    "http://www.w3.org/TR/html4/strict.dtd">
3  <HTML>  <html>
4  <HEAD>  <head>
5  <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">    <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
6  <TITLE>filereadln</TITLE>    <title>filereadln</title>
7  <META http-equiv="Content-Style-Type" content="text/css">    <meta http-equiv="Content-Style-Type" content="text/css">
8  <link rel="stylesheet" href="../../style.css" type="text/css">    <link rel="stylesheet" href="../../style.css" type="text/css">
9  </HEAD>  </head>
10  <BODY>  
11    <body>
12  <DIV ALIGN="left">  
13  <FONT SIZE="+2">filereadln</FONT><BR><BR>  
14  </div>  <h1>filereadln</h1>
15    
16  Format:  <p>
17  <UL>  Reads a line from file.
18  <B>  </p>
19    
20    <pre class="macro-syntax">
21  filereadln &lt;file handle&gt; &lt;strvar&gt;  filereadln &lt;file handle&gt; &lt;strvar&gt;
 </B>  
 </UL>  
 <P></P>  
   
 Reads a line from the file specified by &lt;file handle&gt;.  
 The line is written into the string variable &lt;strvar&gt;. The file pointer is moved to the beginning of the next line. If the file pointer reaches the end of the file while reading the line, the system variable "result" is set to 1. Otherwise, "result" is set to zero.  
 <P></P>  
   
 <pre>  
 Example:  
         fileopen fhandle 'test.txt' 0           Open a file.  
         :loop    
         filereadln fhandle line                 Read a line from the file.  
         if result goto fclose    
         messagebox line 'test.txt'              Display the line.  
         goto loop                               Repeat until the end of the file.  
         :fclose  
         fileclose fhandle                       Close the file.  
22  </pre>  </pre>
23    
24  </BODY>  <h2>Remarks</h2>
25  </HTML>  
26    <p>
27    Reads a line from the file specified by &lt;file handle&gt;.<br>
28    The line is written into the string variable &lt;strvar&gt;.<br>
29    The file pointer is moved to the beginning of the next line.<br>
30    If the file pointer reaches the end of the file while reading the line, the system variable "result" is set to 1. Otherwise, "result" is set to zero.
31    </p>
32    
33    <h2>Example</h2>
34    
35    <pre class="macro-example">
36    <code>; Open a file.
37    fileopen fhandle 'test.txt' 0
38    
39    :loop
40    ; Read a line from the file.
41    <strong>filereadln</strong> fhandle line
42    if result goto fclose
43    ; Display the line.
44    messagebox line 'test.txt'
45    ; Repeat until the end of the file.
46    goto loop
47    
48    :fclose
49    ; Close the file.
50    fileclose fhandle
51    </code></pre>
52    
53    </body>
54    </html>
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