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24<helpdocument version="1.0">
25<meta>
26<topic id="textsbasicshared03020303xml" indexer="include" status="PUBLISH">
27<title id="tit" xml-lang="en-US">Lof Function [Runtime]</title>
28<filename>/text/sbasic/shared/03020303.xhp</filename>
29</topic>
30</meta>
31<body>
32<section id="lof">
33<bookmark xml-lang="en-US" branch="index" id="bm_id3156024">
34<bookmark_value>Lof function</bookmark_value>
35</bookmark>
36<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>
37<paragraph role="paragraph" id="par_id3146794" xml-lang="en-US" l10n="U" oldref="2">Returns the size of an open file in bytes.</paragraph>
38</section>
39<paragraph role="heading" id="hd_id3153380" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph>
40<paragraph role="code" id="par_id3150359" xml-lang="en-US" l10n="U" oldref="4">Lof (FileNumber)</paragraph>
41<paragraph role="heading" id="hd_id3154141" xml-lang="en-US" level="2" l10n="U" oldref="5">Return value:</paragraph>
42<paragraph role="paragraph" id="par_id3147230" xml-lang="en-US" l10n="U" oldref="6">Long</paragraph>
43<paragraph role="heading" id="hd_id3156281" xml-lang="en-US" level="2" l10n="U" oldref="7">Parameters:</paragraph>
44<paragraph role="paragraph" id="par_id3150869" xml-lang="en-US" l10n="U" oldref="8">
45<emph>FileNumber:</emph> Any numeric expression that contains the file number that is specified in the Open statement.</paragraph>
46<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>
47<embed href="text/sbasic/shared/00000003.xhp#errorcode"/>
48<embed href="text/sbasic/shared/00000003.xhp#err5"/>
49<embed href="text/sbasic/shared/00000003.xhp#err52"/>
50<paragraph role="heading" id="hd_id3155415" xml-lang="en-US" level="2" l10n="U" oldref="10">Example:</paragraph>
51<paragraph role="code" id="par_id3151074" xml-lang="en-US" l10n="U" oldref="11">Sub ExampleRandomAccess</paragraph>
52<paragraph role="code" id="par_id3145251" xml-lang="en-US" l10n="U" oldref="12">Dim iNumber As Integer</paragraph>
53<paragraph role="code" id="par_id3154730" xml-lang="en-US" l10n="U" oldref="13">Dim sText As Variant REM must be a Variant</paragraph>
54<paragraph role="code" id="par_id3145646" xml-lang="en-US" l10n="U" oldref="14">Dim aFile As String</paragraph>
55<paragraph role="code" id="par_id3153157" xml-lang="en-US" l10n="U" oldref="15">aFile = "c:\data.txt"</paragraph>
56<paragraph role="code" id="par_id3149403" xml-lang="en-US" l10n="U" oldref="17">iNumber = Freefile</paragraph>
57<paragraph role="code" id="par_id3149121" xml-lang="en-US" l10n="U" oldref="18">Open aFile For Random As #iNumber Len=32</paragraph>
58<paragraph role="code" id="par_id3156276" xml-lang="en-US" l10n="U" oldref="19">Seek #iNumber,1 REM Position at start</paragraph>
59<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>
60<paragraph role="code" id="par_id3154756" xml-lang="en-US" l10n="U" oldref="21">Put #iNumber,, "This is the second line of text"</paragraph>
61<paragraph role="code" id="par_id3145643" xml-lang="en-US" l10n="U" oldref="22">Put #iNumber,, "This is the third line of text"</paragraph>
62<paragraph role="code" id="par_id3156383" xml-lang="en-US" l10n="U" oldref="23">Seek #iNumber,2</paragraph>
63<paragraph role="code" id="par_id3155333" xml-lang="en-US" l10n="U" oldref="24">Get #iNumber,,sText</paragraph>
64<paragraph role="code" id="par_id3149255" xml-lang="en-US" l10n="U" oldref="25">Print sText</paragraph>
65<paragraph role="code" id="par_id3154702" xml-lang="en-US" l10n="U" oldref="26">Close #iNumber</paragraph>
66<paragraph role="code" id="par_id3153965" xml-lang="en-US" l10n="U" oldref="28">iNumber = Freefile</paragraph>
67<paragraph role="code" id="par_id3163807" xml-lang="en-US" l10n="U" oldref="29">Open aFile For Random As #iNumber Len=32</paragraph>
68<paragraph role="code" id="par_id3155607" xml-lang="en-US" l10n="U" oldref="30">Get #iNumber,2,sText</paragraph>
69<paragraph role="code" id="par_id3150299" xml-lang="en-US" l10n="U" oldref="31">Put #iNumber,,"This is a new line of text"</paragraph>
70<paragraph role="code" id="par_id3147002" xml-lang="en-US" l10n="U" oldref="32">Get #iNumber,1,sText</paragraph>
71<paragraph role="code" id="par_id3149036" xml-lang="en-US" l10n="U" oldref="33">Get #iNumber,2,sText</paragraph>
72<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>
73<paragraph role="code" id="par_id3149817" xml-lang="en-US" l10n="U" oldref="35">Print Lof(#iNumber)</paragraph>
74<paragraph role="code" id="par_id3146811" xml-lang="en-US" l10n="U" oldref="36">Close #iNumber</paragraph>
75<paragraph role="code" id="par_id3154200" xml-lang="en-US" l10n="U" oldref="38">end sub</paragraph>
76</body>
77</helpdocument>
78