1cdf0e10cSrcweir<?xml version="1.0" encoding="UTF-8"?> 2cdf0e10cSrcweir 3226a8927SAndrew Rist<!--*********************************************************** 4cdf0e10cSrcweir * 5226a8927SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 6226a8927SAndrew Rist * or more contributor license agreements. See the NOTICE file 7226a8927SAndrew Rist * distributed with this work for additional information 8226a8927SAndrew Rist * regarding copyright ownership. The ASF licenses this file 9226a8927SAndrew Rist * to you under the Apache License, Version 2.0 (the 10226a8927SAndrew Rist * "License"); you may not use this file except in compliance 11226a8927SAndrew Rist * with the License. You may obtain a copy of the License at 12cdf0e10cSrcweir * 13226a8927SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 14cdf0e10cSrcweir * 15226a8927SAndrew Rist * Unless required by applicable law or agreed to in writing, 16226a8927SAndrew Rist * software distributed under the License is distributed on an 17226a8927SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 18226a8927SAndrew Rist * KIND, either express or implied. See the License for the 19226a8927SAndrew Rist * specific language governing permissions and limitations 20226a8927SAndrew Rist * under the License. 21cdf0e10cSrcweir * 22226a8927SAndrew Rist ***********************************************************--> 23226a8927SAndrew Rist 24cdf0e10cSrcweir<helpdocument version="1.0"> 25cdf0e10cSrcweir<meta> 26cdf0e10cSrcweir<topic id="textsbasicshared03020303xml" indexer="include" status="PUBLISH"> 27cdf0e10cSrcweir<title id="tit" xml-lang="en-US">Lof Function [Runtime]</title> 28cdf0e10cSrcweir<filename>/text/sbasic/shared/03020303.xhp</filename> 29cdf0e10cSrcweir</topic> 30cdf0e10cSrcweir</meta> 31cdf0e10cSrcweir<body> 32cdf0e10cSrcweir<section id="lof"> 33cd3ec106Smseidel<bookmark xml-lang="en-US" branch="index" id="bm_id3156024"> 34cd3ec106Smseidel<bookmark_value>Lof function</bookmark_value> 35cdf0e10cSrcweir</bookmark> 36*72b84558Smseidel<paragraph role="heading" id="hd_id3156024" xml-lang="en-US" level="1" l10n="U"><link href="text/sbasic/shared/03020303.xhp" name="Lof Function [Runtime]">Lof Function [Runtime]</link></paragraph> 37*72b84558Smseidel<paragraph role="paragraph" id="par_id3146794" xml-lang="en-US" l10n="U">Returns the size of an open file in bytes.</paragraph> 38cdf0e10cSrcweir</section> 39*72b84558Smseidel<paragraph role="heading" id="hd_id3153380" xml-lang="en-US" level="2" l10n="U">Syntax:</paragraph> 40*72b84558Smseidel<paragraph role="code" id="par_id3150359" xml-lang="en-US" l10n="U">Lof (FileNumber)</paragraph> 41*72b84558Smseidel<paragraph role="heading" id="hd_id3154141" xml-lang="en-US" level="2" l10n="U">Return value:</paragraph> 42*72b84558Smseidel<paragraph role="paragraph" id="par_id3147230" xml-lang="en-US" l10n="U">Long</paragraph> 43*72b84558Smseidel<paragraph role="heading" id="hd_id3156281" xml-lang="en-US" level="2" l10n="U">Parameters:</paragraph> 44*72b84558Smseidel<paragraph role="paragraph" id="par_id3150869" xml-lang="en-US" l10n="U"><emph>FileNumber:</emph> Any numeric expression that contains the file number that is specified in the Open statement.</paragraph> 45*72b84558Smseidel<paragraph role="tip" id="par_id3147349" xml-lang="en-US" l10n="U">To obtain the length of a file that is not open, use the <emph>FileLen</emph> function.</paragraph> 46cdf0e10cSrcweir<embed href="text/sbasic/shared/00000003.xhp#errorcode"/> 47cdf0e10cSrcweir<embed href="text/sbasic/shared/00000003.xhp#err5"/> 48cdf0e10cSrcweir<embed href="text/sbasic/shared/00000003.xhp#err52"/> 49*72b84558Smseidel<paragraph role="heading" id="hd_id3155415" xml-lang="en-US" level="2" l10n="U">Example:</paragraph> 50*72b84558Smseidel<paragraph role="code" id="par_id3151074" xml-lang="en-US" l10n="U">Sub ExampleRandomAccess</paragraph> 51*72b84558Smseidel<paragraph role="code" id="par_id3145251" xml-lang="en-US" l10n="U">Dim iNumber As Integer</paragraph> 52*72b84558Smseidel<paragraph role="code" id="par_id3154730" xml-lang="en-US" l10n="U">Dim sText As Variant REM must be a Variant</paragraph> 53*72b84558Smseidel<paragraph role="code" id="par_id3145646" xml-lang="en-US" l10n="U">Dim aFile As String</paragraph> 54*72b84558Smseidel<paragraph role="code" id="par_id3153157" xml-lang="en-US" l10n="U">aFile = "c:\data.txt"</paragraph> 55*72b84558Smseidel<paragraph role="code" id="par_id3149403" xml-lang="en-US" l10n="U">iNumber = Freefile</paragraph> 56*72b84558Smseidel<paragraph role="code" id="par_id3149121" xml-lang="en-US" l10n="U">Open aFile For Random As #iNumber Len=32</paragraph> 57*72b84558Smseidel<paragraph role="code" id="par_id3156276" xml-lang="en-US" l10n="U">Seek #iNumber,1 REM Position at start</paragraph> 58*72b84558Smseidel<paragraph role="code" id="par_id3148405" xml-lang="en-US" l10n="U">Put #iNumber,, "This is the first line of text" REM Fill with text</paragraph> 59*72b84558Smseidel<paragraph role="code" id="par_id3154756" xml-lang="en-US" l10n="U">Put #iNumber,, "This is the second line of text"</paragraph> 60*72b84558Smseidel<paragraph role="code" id="par_id3145643" xml-lang="en-US" l10n="U">Put #iNumber,, "This is the third line of text"</paragraph> 61*72b84558Smseidel<paragraph role="code" id="par_id3156383" xml-lang="en-US" l10n="U">Seek #iNumber,2</paragraph> 62*72b84558Smseidel<paragraph role="code" id="par_id3155333" xml-lang="en-US" l10n="U">Get #iNumber,,sText</paragraph> 63*72b84558Smseidel<paragraph role="code" id="par_id3149255" xml-lang="en-US" l10n="U">Print sText</paragraph> 64*72b84558Smseidel<paragraph role="code" id="par_id3154702" xml-lang="en-US" l10n="U">Close #iNumber</paragraph> 65*72b84558Smseidel<paragraph role="code" id="par_id3153965" xml-lang="en-US" l10n="U">iNumber = Freefile</paragraph> 66*72b84558Smseidel<paragraph role="code" id="par_id3163807" xml-lang="en-US" l10n="U">Open aFile For Random As #iNumber Len=32</paragraph> 67*72b84558Smseidel<paragraph role="code" id="par_id3155607" xml-lang="en-US" l10n="U">Get #iNumber,2,sText</paragraph> 68*72b84558Smseidel<paragraph role="code" id="par_id3150299" xml-lang="en-US" l10n="U">Put #iNumber,,"This is a new line of text"</paragraph> 69*72b84558Smseidel<paragraph role="code" id="par_id3147002" xml-lang="en-US" l10n="U">Get #iNumber,1,sText</paragraph> 70*72b84558Smseidel<paragraph role="code" id="par_id3149036" xml-lang="en-US" l10n="U">Get #iNumber,2,sText</paragraph> 71*72b84558Smseidel<paragraph role="code" id="par_id3166425" xml-lang="en-US" l10n="U">Put #iNumber,20,"This is the text in record 20"</paragraph> 72*72b84558Smseidel<paragraph role="code" id="par_id3149817" xml-lang="en-US" l10n="U">Print Lof(#iNumber)</paragraph> 73*72b84558Smseidel<paragraph role="code" id="par_id3146811" xml-lang="en-US" l10n="U">Close #iNumber</paragraph> 74*72b84558Smseidel<paragraph role="code" id="par_id3154200" xml-lang="en-US" l10n="U">end sub</paragraph> 75cdf0e10cSrcweir</body> 76cdf0e10cSrcweir</helpdocument> 77