1*cdf0e10cSrcweir<?xml version="1.0" encoding="UTF-8"?> 2*cdf0e10cSrcweir 3*cdf0e10cSrcweir 4*cdf0e10cSrcweir<!--*********************************************************************** 5*cdf0e10cSrcweir * 6*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 7*cdf0e10cSrcweir * 8*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 9*cdf0e10cSrcweir * 10*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 11*cdf0e10cSrcweir * 12*cdf0e10cSrcweir * This file is part of OpenOffice.org. 13*cdf0e10cSrcweir * 14*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 15*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 16*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 17*cdf0e10cSrcweir * 18*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 19*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 20*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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If not, see 26*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 27*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 28*cdf0e10cSrcweir * 29*cdf0e10cSrcweir ************************************************************************--> 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir<helpdocument version="1.0"> 32*cdf0e10cSrcweir<meta> 33*cdf0e10cSrcweir<topic id="textsbasicshared03020301xml" indexer="include" status="PUBLISH"> 34*cdf0e10cSrcweir<title id="tit" xml-lang="en-US">Eof Function [Runtime]</title> 35*cdf0e10cSrcweir<filename>/text/sbasic/shared/03020301.xhp</filename> 36*cdf0e10cSrcweir</topic> 37*cdf0e10cSrcweir<history> 38*cdf0e10cSrcweir<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created> 39*cdf0e10cSrcweir<lastedited date="2004-09-01T15:24:39">converted from old format - fpe</lastedited> 40*cdf0e10cSrcweir</history> 41*cdf0e10cSrcweir</meta> 42*cdf0e10cSrcweir<body> 43*cdf0e10cSrcweir<section id="eof"> 44*cdf0e10cSrcweir<bookmark xml-lang="en-US" branch="index" id="bm_id3154598"><bookmark_value>Eof function</bookmark_value> 45*cdf0e10cSrcweir</bookmark> 46*cdf0e10cSrcweir<paragraph role="heading" id="hd_id3154598" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03020301.xhp" name="Eof Function [Runtime]">Eof Function [Runtime]</link></paragraph> 47*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3147182" xml-lang="en-US" l10n="U" oldref="2">Determines if the file pointer has reached the end of a file.</paragraph> 48*cdf0e10cSrcweir</section> 49*cdf0e10cSrcweir<paragraph role="heading" id="hd_id3149119" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph> 50*cdf0e10cSrcweir<paragraph role="code" id="par_id3147399" xml-lang="en-US" l10n="U" oldref="4">Eof (intexpression As Integer)</paragraph> 51*cdf0e10cSrcweir<paragraph role="heading" id="hd_id3153539" xml-lang="en-US" level="2" l10n="U" oldref="5">Return value:</paragraph> 52*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3156027" xml-lang="en-US" l10n="U" oldref="6">Bool</paragraph> 53*cdf0e10cSrcweir<paragraph role="heading" id="hd_id3152924" xml-lang="en-US" level="2" l10n="U" oldref="7">Parameters:</paragraph> 54*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153990" xml-lang="en-US" l10n="U" oldref="8"> 55*cdf0e10cSrcweir<emph>Intexpression:</emph> Any integer expression that evaluates to the number of an open file.</paragraph> 56*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153527" xml-lang="en-US" l10n="U" oldref="9">Use EOF to avoid errors when you attempt to get input past the end of a file. When you use the Input or Get statement to read from a file, the file pointer is advanced by the number of bytes read. When the end of a file is reached, EOF returns the value "True" (-1).</paragraph> 57*cdf0e10cSrcweir<embed href="text/sbasic/shared/00000003.xhp#errorcode"/> 58*cdf0e10cSrcweir<embed href="text/sbasic/shared/00000003.xhp#err5"/> 59*cdf0e10cSrcweir<embed href="text/sbasic/shared/00000003.xhp#err52"/> 60*cdf0e10cSrcweir<paragraph role="heading" id="hd_id3154046" xml-lang="en-US" level="2" l10n="U" oldref="10">Example:</paragraph> 61*cdf0e10cSrcweir<paragraph role="code" id="par_id3143270" xml-lang="en-US" l10n="U" oldref="11">Sub ExampleWorkWithAFile</paragraph> 62*cdf0e10cSrcweir<paragraph role="code" id="par_id3150670" xml-lang="en-US" l10n="U" oldref="12">Dim iNumber As Integer</paragraph> 63*cdf0e10cSrcweir<paragraph role="code" id="par_id3154143" xml-lang="en-US" l10n="U" oldref="13">Dim sLine As String</paragraph> 64*cdf0e10cSrcweir<paragraph role="code" id="par_id3148943" xml-lang="en-US" l10n="U" oldref="14">Dim aFile As String</paragraph> 65*cdf0e10cSrcweir<paragraph role="code" id="par_id3153897" xml-lang="en-US" l10n="U" oldref="37">Dim sMsg as String</paragraph> 66*cdf0e10cSrcweir<paragraph role="code" id="par_id3156344" xml-lang="en-US" l10n="U" oldref="15">aFile = "c:\data.txt"</paragraph> 67*cdf0e10cSrcweir<paragraph role="code" id="par_id3148663" xml-lang="en-US" l10n="U" oldref="17">iNumber = Freefile</paragraph> 68*cdf0e10cSrcweir<paragraph role="code" id="par_id3153379" xml-lang="en-US" l10n="U" oldref="18">Open aFile For Output As #iNumber</paragraph> 69*cdf0e10cSrcweir<paragraph role="code" id="par_id3153360" xml-lang="en-US" l10n="U" oldref="19">Print #iNumber, "First line of text"</paragraph> 70*cdf0e10cSrcweir<paragraph role="code" id="par_id3148797" xml-lang="en-US" l10n="U" oldref="20">Print #iNumber, "Another line of text"</paragraph> 71*cdf0e10cSrcweir<paragraph role="code" id="par_id3154684" xml-lang="en-US" l10n="U" oldref="21">Close #iNumber</paragraph> 72*cdf0e10cSrcweir<paragraph role="code" id="par_id3153104" xml-lang="en-US" l10n="U" oldref="25">iNumber = Freefile</paragraph> 73*cdf0e10cSrcweir<paragraph role="code" id="par_id3144761" xml-lang="en-US" l10n="U" oldref="26">Open aFile For Input As iNumber</paragraph> 74*cdf0e10cSrcweir<paragraph role="code" id="par_id3153193" xml-lang="en-US" l10n="U" oldref="27">While not eof(iNumber)</paragraph> 75*cdf0e10cSrcweir<paragraph role="code" id="par_id3158408" xml-lang="en-US" l10n="U" oldref="28">Line Input #iNumber, sLine</paragraph> 76*cdf0e10cSrcweir<paragraph role="code" id="par_id3149203" xml-lang="en-US" l10n="U" oldref="29">If sLine <>"" then</paragraph> 77*cdf0e10cSrcweir<paragraph role="code" id="par_id3153770" xml-lang="en-US" l10n="U" oldref="30">sMsg = sMsg & sLine & chr(13)</paragraph> 78*cdf0e10cSrcweir<paragraph role="code" id="par_id3153367" xml-lang="en-US" l10n="U" oldref="32">end if</paragraph> 79*cdf0e10cSrcweir<paragraph role="code" id="par_id3147318" xml-lang="en-US" l10n="U" oldref="33">wend</paragraph> 80*cdf0e10cSrcweir<paragraph role="code" id="par_id3152939" xml-lang="en-US" l10n="U" oldref="34">Close #iNumber</paragraph> 81*cdf0e10cSrcweir<paragraph role="code" id="par_id3153726" xml-lang="en-US" l10n="U" oldref="38">Msgbox sMsg</paragraph> 82*cdf0e10cSrcweir<paragraph role="code" id="par_id3153092" xml-lang="en-US" l10n="U" oldref="35">End Sub</paragraph> 83*cdf0e10cSrcweir</body> 84*cdf0e10cSrcweir</helpdocument> 85