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Extensible Markup Language  |  2003-08-01  |  5.6 KB  |  47 lines
  1. <?xml version="1.0" encoding="utf-8"?>
  2. <html><head><title>Line Input # Statement [Runtime]</title><meta name="filename" content="text/sbasic/common/03020203"/><help:css-file-link xmlns:help="http://openoffice.org/2000/help"/><!--The CSS style header method for setting styles--><style type="text/css">
  3.  
  4.         p.P1{
  5.                 }
  6.         span.T1{
  7.                 font-weight:bold;}
  8.         </style></head><body>
  9.   
  10.   
  11.   <help:paragraphinfo state="E" xmlns:help="http://openoffice.org/2000/help"/><help:to-be-embedded Eid="lineinput" xmlns:help="http://openoffice.org/2000/help">
  12.   <p class="Head1"><help:paragraphinfo state="U" number="1"/><help:key-word value="Line; function" tag="kw66387_1"/><help:link Id="66387">Line Input # Statement [Runtime]</help:link></p>
  13.   <p class="Paragraph"><help:paragraphinfo state="U" number="2"/>Reads strings from a sequential file into a variable.</p>
  14.   <help:paragraphinfo state="E"/></help:to-be-embedded>
  15.   <p class="Head2"><help:paragraphinfo state="U" number="3" xmlns:help="http://openoffice.org/2000/help"/>Syntax:</p>
  16.   <p class="Paragraph"><help:paragraphinfo state="U" number="4" xmlns:help="http://openoffice.org/2000/help"/>Line Input #FileNumber As Integer, Var As String </p>
  17.   <p class="Head2"><help:paragraphinfo state="U" number="5" xmlns:help="http://openoffice.org/2000/help"/>Parameters:</p>
  18.   <p class="Paragraph"><help:paragraphinfo state="U" number="6" xmlns:help="http://openoffice.org/2000/help"/><span class="T1">FileNumber: </span>Number of the file that contains the data that you want to read. The file must have been opened in advance with the Open statement using the key word READ.</p>
  19.   <p class="Paragraph"><help:paragraphinfo state="U" number="7" xmlns:help="http://openoffice.org/2000/help"/><span class="T1">var:</span> The name of the variable that stores the result.</p>
  20.   <p class="Paragraph"><help:paragraphinfo state="U" number="8" xmlns:help="http://openoffice.org/2000/help"/>With the <span class="T1">Line Input#</span> statement, you can read strings from an open file into a variable. String variables are read line-by-line up to the first carriage return (Asc=13) or linefeed (Asc=10). Line end marks are not included in the resulting string.</p>
  21.   <p class="Head2"><help:paragraphinfo state="U" number="9" xmlns:help="http://openoffice.org/2000/help"/>Example:</p>
  22.   <p class="PropText"><help:paragraphinfo state="U" number="10" xmlns:help="http://openoffice.org/2000/help"/>Sub ExampleWorkWithAFile</p>
  23.   <p class="PropText"><help:paragraphinfo state="U" number="11" xmlns:help="http://openoffice.org/2000/help"/>Dim iNumber As Integer</p>
  24.   <p class="PropText"><help:paragraphinfo state="U" number="12" xmlns:help="http://openoffice.org/2000/help"/>Dim sLine As String</p>
  25.   <p class="PropText"><help:paragraphinfo state="U" number="13" xmlns:help="http://openoffice.org/2000/help"/>Dim aFile As String</p>
  26.   <p class="PropText"><help:paragraphinfo state="U" number="36" xmlns:help="http://openoffice.org/2000/help"/>Dim sMsg as String</p>
  27.   <p class="PropText"><help:paragraphinfo state="U" number="14" xmlns:help="http://openoffice.org/2000/help"/>aFile = "c:\data.txt"</p>
  28.   <p class="PropText"><help:paragraphinfo state="U" number="15" xmlns:help="http://openoffice.org/2000/help"/></p>
  29.   <p class="PropText"><help:paragraphinfo state="U" number="16" xmlns:help="http://openoffice.org/2000/help"/>iNumber = Freefile</p>
  30.   <p class="PropText"><help:paragraphinfo state="U" number="17" xmlns:help="http://openoffice.org/2000/help"/>Open aFile For Output As #iNumber</p>
  31.   <p class="PropText"><help:paragraphinfo state="U" number="18" xmlns:help="http://openoffice.org/2000/help"/>Print #iNumber, "This is a line of text"</p>
  32.   <p class="PropText"><help:paragraphinfo state="U" number="19" xmlns:help="http://openoffice.org/2000/help"/>Print #iNumber, "This is another line of text"</p>
  33.   <p class="PropText"><help:paragraphinfo state="U" number="20" xmlns:help="http://openoffice.org/2000/help"/>Close #iNumber</p>
  34.   <p class="PropText"><help:paragraphinfo state="U" number="21" xmlns:help="http://openoffice.org/2000/help"/></p>
  35.   <p class="PropText"><help:paragraphinfo state="U" number="24" xmlns:help="http://openoffice.org/2000/help"/>iNumber = Freefile</p>
  36.   <p class="PropText"><help:paragraphinfo state="U" number="25" xmlns:help="http://openoffice.org/2000/help"/>Open aFile For Input As iNumber</p>
  37.   <p class="PropText"><help:paragraphinfo state="U" number="26" xmlns:help="http://openoffice.org/2000/help"/>While not eof(iNumber)</p>
  38.   <p class="PropText"><help:paragraphinfo state="U" number="27" xmlns:help="http://openoffice.org/2000/help"/>Line Input #iNumber, sLine</p>
  39.   <p class="PropText"><help:paragraphinfo state="U" number="28" xmlns:help="http://openoffice.org/2000/help"/>If sLine <>"" then</p>
  40.   <p class="PropText"><help:paragraphinfo state="U" number="29" xmlns:help="http://openoffice.org/2000/help"/>sMsg = sMsg & sLine & chr(13)</p>
  41.   <p class="PropText"><help:paragraphinfo state="U" number="31" xmlns:help="http://openoffice.org/2000/help"/>end if</p>
  42.   <p class="PropText"><help:paragraphinfo state="U" number="32" xmlns:help="http://openoffice.org/2000/help"/>wend</p>
  43.   <p class="PropText"><help:paragraphinfo state="U" number="33" xmlns:help="http://openoffice.org/2000/help"/>Close #iNumber</p>
  44.   <p class="PropText"><help:paragraphinfo state="U" number="37" xmlns:help="http://openoffice.org/2000/help"/>Msgbox sMsg</p>
  45.   <p class="PropText"><help:paragraphinfo state="U" number="34" xmlns:help="http://openoffice.org/2000/help"/>End Sub</p>
  46.   <p class="PropText"><help:paragraphinfo state="U" number="35" xmlns:help="http://openoffice.org/2000/help"/></p>
  47.  </body></html>