forked from amazingfate/help
111 lines
7.3 KiB
XML
Executable File
111 lines
7.3 KiB
XML
Executable File
<?xml version="1.0" encoding="UTF-8"?>
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<!--***********************************************************************
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRUNTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRUNTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc..
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************--><helpdocument version="1.0">
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<meta>
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<topic id="textsbasicshared03020301xml" indexer="include" status="PUBLISH">
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<title xml-lang="en-US" id="tit">Eof Function [Runtime]</title>
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<filename>/text/sbasic/shared/03020301.xhp</filename>
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</topic>
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<history>
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<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
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<lastedited date="2003-10-31T00:00:00">converted from old format - fpe</lastedited>
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</history>
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</meta>
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<body>
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<section id="eof">
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<bookmark xml-lang="en-US" branch="index" id="bm_id3154598"><bookmark_value>Eof; function</bookmark_value></bookmark><paragraph id="hd_id3154598" role="heading" level="1" oldref="1" l10n="U" xml-lang="en-US"><link href="text/sbasic/shared/03020301.xhp" name="Eof Function [Runtime]">Eof Function [Runtime]</link></paragraph>
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<paragraph role="paragraph" id="par_id3147182" l10n="U" xml-lang="en-US" oldref="2">Determines if the file pointer has reached the end of a file.</paragraph>
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</section>
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<paragraph role="heading" level="2" id="hd_id3149119" l10n="U" xml-lang="en-US" oldref="3">Syntax:</paragraph>
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<paragraph role="paragraph" id="par_id3147399" l10n="U" xml-lang="en-US" oldref="4">Eof (intexpression As Integer)</paragraph>
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<paragraph role="heading" level="2" id="hd_id3153539" l10n="U" xml-lang="en-US" oldref="5">Return value:</paragraph>
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<paragraph role="paragraph" id="par_id3156027" l10n="U" xml-lang="en-US" oldref="6">Bool</paragraph>
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<paragraph role="heading" level="2" id="hd_id3152924" l10n="U" xml-lang="en-US" oldref="7">Parameters:</paragraph>
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<paragraph l10n="U" role="paragraph" id="par_id3153990" xml-lang="en-US" oldref="8"><emph>Intexpression:</emph> Any integer expression that evaluates to the number of an open file.</paragraph>
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<paragraph role="paragraph" id="par_id3153527" l10n="U" xml-lang="en-US" 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>
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<embed href="text/sbasic/shared/00000003.xhp#errorcode"/>
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<embed href="text/sbasic/shared/00000003.xhp#err5"/>
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<embed href="text/sbasic/shared/00000003.xhp#err52"/>
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<paragraph role="heading" level="2" id="hd_id3154046" l10n="U" xml-lang="en-US" oldref="10">Example:</paragraph>
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<paragraph role="paragraph" id="par_id3143270" l10n="U" xml-lang="en-US" oldref="11">Sub ExampleWorkWithAFile</paragraph>
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<paragraph role="paragraph" id="par_id3150670" l10n="U" xml-lang="en-US" oldref="12">Dim iNumber As Integer</paragraph>
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<paragraph role="paragraph" id="par_id3154143" l10n="U" xml-lang="en-US" oldref="13">Dim sLine As String</paragraph>
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<paragraph role="paragraph" id="par_id3148943" l10n="U" xml-lang="en-US" oldref="14">Dim aFile As String</paragraph>
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<paragraph role="paragraph" id="par_id3153897" l10n="U" xml-lang="en-US" oldref="37">Dim sMsg as String</paragraph>
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<paragraph role="paragraph" id="par_id3156344" l10n="U" xml-lang="en-US" oldref="15">aFile = "c:\data.txt"</paragraph>
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<paragraph role="paragraph" id="par_id3148663" l10n="U" xml-lang="en-US" oldref="17">iNumber = Freefile</paragraph>
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<paragraph role="paragraph" id="par_id3153379" l10n="U" xml-lang="en-US" oldref="18">Open aFile For Output As #iNumber</paragraph>
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<paragraph role="paragraph" id="par_id3153360" l10n="U" xml-lang="en-US" oldref="19">Print #iNumber, "First line of text"</paragraph>
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<paragraph role="paragraph" id="par_id3148797" l10n="U" xml-lang="en-US" oldref="20">Print #iNumber, "Another line of text"</paragraph>
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<paragraph role="paragraph" id="par_id3154684" l10n="U" xml-lang="en-US" oldref="21">Close #iNumber</paragraph>
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<paragraph role="paragraph" id="par_id3153104" l10n="U" xml-lang="en-US" oldref="25">iNumber = Freefile</paragraph>
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<paragraph role="paragraph" id="par_id3144761" l10n="U" xml-lang="en-US" oldref="26">Open aFile For Input As iNumber</paragraph>
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<paragraph role="paragraph" id="par_id3153193" l10n="U" xml-lang="en-US" oldref="27">While not eof(iNumber)</paragraph>
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<paragraph role="paragraph" id="par_id3158408" l10n="U" xml-lang="en-US" oldref="28">Line Input #iNumber, sLine</paragraph>
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<paragraph role="paragraph" id="par_id3149203" l10n="U" xml-lang="en-US" oldref="29">If sLine <>"" then</paragraph>
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<paragraph role="paragraph" id="par_id3153770" l10n="U" xml-lang="en-US" oldref="30">sMsg = sMsg & sLine & chr(13)</paragraph>
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<paragraph role="paragraph" id="par_id3153367" l10n="U" xml-lang="en-US" oldref="32">end if</paragraph>
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<paragraph role="paragraph" id="par_id3147318" l10n="U" xml-lang="en-US" oldref="33">wend</paragraph>
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<paragraph role="paragraph" id="par_id3152939" l10n="U" xml-lang="en-US" oldref="34">Close #iNumber</paragraph>
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<paragraph role="paragraph" id="par_id3153726" l10n="U" xml-lang="en-US" oldref="38">Msgbox sMsg</paragraph>
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<paragraph role="paragraph" id="par_id3153092" l10n="U" xml-lang="en-US" oldref="35">End Sub</paragraph>
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</body>
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</helpdocument>
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