forked from amazingfate/help
114 lines
7.4 KiB
XML
114 lines
7.4 KiB
XML
<?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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************************************************************************-->
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<helpdocument version="1.0">
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<meta>
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<topic id="textsbasicshared03020303xml" indexer="include" status="PUBLISH">
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<title id="tit" xml-lang="en-US">Lof Function [Runtime]</title>
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<filename>/text/sbasic/shared/03020303.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="2004-09-01T15:25:31">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="lof">
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<bookmark xml-lang="en-US" branch="index" id="bm_id3156024"><bookmark_value>Lof function</bookmark_value>
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</bookmark>
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<paragraph role="heading" id="hd_id3156024" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03020303.xhp" name="Lof Function [Runtime]">Lof Function [Runtime]</link></paragraph>
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<paragraph role="paragraph" id="par_id3146794" xml-lang="en-US" l10n="U" oldref="2">Returns the size of an open file in bytes.</paragraph>
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</section>
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<paragraph role="heading" id="hd_id3153380" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph>
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<paragraph role="code" id="par_id3150359" xml-lang="en-US" l10n="U" oldref="4">Lof (FileNumber)</paragraph>
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<paragraph role="heading" id="hd_id3154141" xml-lang="en-US" level="2" l10n="U" oldref="5">Return value:</paragraph>
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<paragraph role="paragraph" id="par_id3147230" xml-lang="en-US" l10n="U" oldref="6">Long</paragraph>
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<paragraph role="heading" id="hd_id3156281" xml-lang="en-US" level="2" l10n="U" oldref="7">Parameters:</paragraph>
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<paragraph role="paragraph" id="par_id3150869" xml-lang="en-US" l10n="U" oldref="8">
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<emph>FileNumber:</emph> Any numeric expression that contains the file number that is specified in the Open statement.</paragraph>
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<paragraph role="tip" id="par_id3147349" xml-lang="en-US" l10n="U" oldref="9">To obtain the length of a file that is not open, use the <emph>FileLen</emph> function.</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" id="hd_id3155415" xml-lang="en-US" level="2" l10n="U" oldref="10">Example:</paragraph>
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<paragraph role="code" id="par_id3151074" xml-lang="en-US" l10n="U" oldref="11">Sub ExampleRandomAccess</paragraph>
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<paragraph role="code" id="par_id3145251" xml-lang="en-US" l10n="U" oldref="12">Dim iNumber As Integer</paragraph>
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<paragraph role="code" id="par_id3154730" xml-lang="en-US" l10n="U" oldref="13">Dim sText As Variant REM must be a Variant</paragraph>
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<paragraph role="code" id="par_id3145646" xml-lang="en-US" l10n="U" oldref="14">Dim aFile As String</paragraph>
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<paragraph role="code" id="par_id3153157" xml-lang="en-US" l10n="U" oldref="15">aFile = "c:\data.txt"</paragraph>
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<paragraph role="code" id="par_id3149403" xml-lang="en-US" l10n="U" oldref="17">iNumber = Freefile</paragraph>
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<paragraph role="code" id="par_id3149121" xml-lang="en-US" l10n="U" oldref="18">Open aFile For Random As #iNumber Len=32</paragraph>
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<paragraph role="code" id="par_id3156276" xml-lang="en-US" l10n="U" oldref="19">Seek #iNumber,1 REM Position at start</paragraph>
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<paragraph role="code" id="par_id3148405" xml-lang="en-US" l10n="U" oldref="20">Put #iNumber,, "This is the first line of text" REM Fill with text</paragraph>
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<paragraph role="code" id="par_id3154756" xml-lang="en-US" l10n="U" oldref="21">Put #iNumber,, "This is the second line of text"</paragraph>
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<paragraph role="code" id="par_id3145643" xml-lang="en-US" l10n="U" oldref="22">Put #iNumber,, "This is the third line of text"</paragraph>
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<paragraph role="code" id="par_id3156383" xml-lang="en-US" l10n="U" oldref="23">Seek #iNumber,2</paragraph>
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<paragraph role="code" id="par_id3155333" xml-lang="en-US" l10n="U" oldref="24">Get #iNumber,,sText</paragraph>
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<paragraph role="code" id="par_id3149255" xml-lang="en-US" l10n="U" oldref="25">Print sText</paragraph>
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<paragraph role="code" id="par_id3154702" xml-lang="en-US" l10n="U" oldref="26">Close #iNumber</paragraph>
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<paragraph role="code" id="par_id3153965" xml-lang="en-US" l10n="U" oldref="28">iNumber = Freefile</paragraph>
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<paragraph role="code" id="par_id3163807" xml-lang="en-US" l10n="U" oldref="29">Open aFile For Random As #iNumber Len=32</paragraph>
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<paragraph role="code" id="par_id3155607" xml-lang="en-US" l10n="U" oldref="30">Get #iNumber,2,sText</paragraph>
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<paragraph role="code" id="par_id3150299" xml-lang="en-US" l10n="U" oldref="31">Put #iNumber,,"This is a new line of text"</paragraph>
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<paragraph role="code" id="par_id3147002" xml-lang="en-US" l10n="U" oldref="32">Get #iNumber,1,sText</paragraph>
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<paragraph role="code" id="par_id3149036" xml-lang="en-US" l10n="U" oldref="33">Get #iNumber,2,sText</paragraph>
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<paragraph role="code" id="par_id3166425" xml-lang="en-US" l10n="U" oldref="34">Put #iNumber,20,"This is the text in record 20"</paragraph>
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<paragraph role="code" id="par_id3149817" xml-lang="en-US" l10n="U" oldref="35">Print Lof(#iNumber)</paragraph>
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<paragraph role="code" id="par_id3146811" xml-lang="en-US" l10n="U" oldref="36">Close #iNumber</paragraph>
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<paragraph role="code" id="par_id3154200" xml-lang="en-US" l10n="U" oldref="38">end sub</paragraph>
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</body>
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</helpdocument>
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