helpcontent2/source/text/sbasic/shared/03020303.xhp

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  34 <helpdocument version="1.0">
  35 <meta>
  36 <topic id="textsbasicshared03020303xml" indexer="include" status="PUBLISH">
  37 <title id="tit" xml-lang="en-US">Lof Function [Runtime]</title>
  38 <filename>/text/sbasic/shared/03020303.xhp</filename>
  39 </topic>
  40 <history>
  41 <created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
  42 <lastedited date="2004-09-01T15:25:31">converted from old format - fpe</lastedited>
  43 </history>
  44 </meta>
  45 <body>
  46 <section id="lof">
  47 <bookmark xml-lang="en-US" branch="index" id="bm_id3156024"><bookmark_value>Lof function</bookmark_value>
  48 </bookmark>
  49 <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>
  50 <paragraph role="paragraph" id="par_id3146794" xml-lang="en-US" l10n="U" oldref="2">Returns the size of an open file in bytes.</paragraph>
  51 </section>
  52 <paragraph role="heading" id="hd_id3153380" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph>
  53 <paragraph role="code" id="par_id3150359" xml-lang="en-US" l10n="U" oldref="4">Lof (FileNumber)</paragraph>
  54 <paragraph role="heading" id="hd_id3154141" xml-lang="en-US" level="2" l10n="U" oldref="5">Return value:</paragraph>
  55 <paragraph role="paragraph" id="par_id3147230" xml-lang="en-US" l10n="U" oldref="6">Long</paragraph>
  56 <paragraph role="heading" id="hd_id3156281" xml-lang="en-US" level="2" l10n="U" oldref="7">Parameters:</paragraph>
  57 <paragraph role="paragraph" id="par_id3150869" xml-lang="en-US" l10n="U" oldref="8">
  58 <emph>FileNumber:</emph> Any numeric expression that contains the file number that is specified in the Open statement.</paragraph>
  59 <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>
  60 <embed href="text/sbasic/shared/00000003.xhp#errorcode"/>
  61 <embed href="text/sbasic/shared/00000003.xhp#err5"/>
  62 <embed href="text/sbasic/shared/00000003.xhp#err52"/>
  63 <paragraph role="heading" id="hd_id3155415" xml-lang="en-US" level="2" l10n="U" oldref="10">Example:</paragraph>
  64 <paragraph role="code" id="par_id3151074" xml-lang="en-US" l10n="U" oldref="11">Sub ExampleRandomAccess</paragraph>
  65 <paragraph role="code" id="par_id3145251" xml-lang="en-US" l10n="U" oldref="12">Dim iNumber As Integer</paragraph>
  66 <paragraph role="code" id="par_id3154730" xml-lang="en-US" l10n="U" oldref="13">Dim sText As Variant REM must be a Variant</paragraph>
  67 <paragraph role="code" id="par_id3145646" xml-lang="en-US" l10n="U" oldref="14">Dim aFile As String</paragraph>
  68 <paragraph role="code" id="par_id3153157" xml-lang="en-US" l10n="U" oldref="15">aFile = "c:\data.txt"</paragraph>
  69 <paragraph role="code" id="par_id3149403" xml-lang="en-US" l10n="U" oldref="17">iNumber = Freefile</paragraph>
  70 <paragraph role="code" id="par_id3149121" xml-lang="en-US" l10n="U" oldref="18">Open aFile For Random As #iNumber Len=32</paragraph>
  71 <paragraph role="code" id="par_id3156276" xml-lang="en-US" l10n="U" oldref="19">Seek #iNumber,1 REM Position at start</paragraph>
  72 <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>
  73 <paragraph role="code" id="par_id3154756" xml-lang="en-US" l10n="U" oldref="21">Put #iNumber,, "This is the second line of text"</paragraph>
  74 <paragraph role="code" id="par_id3145643" xml-lang="en-US" l10n="U" oldref="22">Put #iNumber,, "This is the third line of text"</paragraph>
  75 <paragraph role="code" id="par_id3156383" xml-lang="en-US" l10n="U" oldref="23">Seek #iNumber,2</paragraph>
  76 <paragraph role="code" id="par_id3155333" xml-lang="en-US" l10n="U" oldref="24">Get #iNumber,,sText</paragraph>
  77 <paragraph role="code" id="par_id3149255" xml-lang="en-US" l10n="U" oldref="25">Print sText</paragraph>
  78 <paragraph role="code" id="par_id3154702" xml-lang="en-US" l10n="U" oldref="26">Close #iNumber</paragraph>
  79 <paragraph role="code" id="par_id3153965" xml-lang="en-US" l10n="U" oldref="28">iNumber = Freefile</paragraph>
  80 <paragraph role="code" id="par_id3163807" xml-lang="en-US" l10n="U" oldref="29">Open aFile For Random As #iNumber Len=32</paragraph>
  81 <paragraph role="code" id="par_id3155607" xml-lang="en-US" l10n="U" oldref="30">Get #iNumber,2,sText</paragraph>
  82 <paragraph role="code" id="par_id3150299" xml-lang="en-US" l10n="U" oldref="31">Put #iNumber,,"This is a new line of text"</paragraph>
  83 <paragraph role="code" id="par_id3147002" xml-lang="en-US" l10n="U" oldref="32">Get #iNumber,1,sText</paragraph>
  84 <paragraph role="code" id="par_id3149036" xml-lang="en-US" l10n="U" oldref="33">Get #iNumber,2,sText</paragraph>
  85 <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>
  86 <paragraph role="code" id="par_id3149817" xml-lang="en-US" l10n="U" oldref="35">Print Lof(#iNumber)</paragraph>
  87 <paragraph role="code" id="par_id3146811" xml-lang="en-US" l10n="U" oldref="36">Close #iNumber</paragraph>
  88 <paragraph role="code" id="par_id3154200" xml-lang="en-US" l10n="U" oldref="38">end sub</paragraph>
  89 </body>
  90 </helpdocument>