source/text/sbasic/shared/03020102.xhp


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<?xml version="1.0" encoding="UTF-8"?>


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<helpdocument version="1.0">
<meta>
<topic id="textsbasicshared03020102xml" indexer="include" status="PUBLISH">
<title id="tit" xml-lang="en-US">FreeFile Function[Runtime]</title>
<filename>/text/sbasic/shared/03020102.xhp</filename>
</topic>
<history>
<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
</history>
</meta>
<body>
<section id="freefile">
<bookmark xml-lang="en-US" branch="index" id="bm_id3150400"><bookmark_value>FreeFile function</bookmark_value>
</bookmark>
<paragraph role="heading" id="hd_id3150400" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03020102.xhp" name="FreeFile Function[Runtime]">FreeFile Function[Runtime]</link></paragraph>
<paragraph role="paragraph" id="par_id3154366" xml-lang="en-US" l10n="U" oldref="2">Returns the next available file number for opening a file. Use this function to open a file using a file number that is not already in use by a currently open file.</paragraph>
</section>
<paragraph role="heading" id="hd_id3150769" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph>
<bascode>
<paragraph role="bascode" localize="false" xml-lang="en-US">FreeFile</paragraph>
</bascode>
<paragraph role="heading" id="hd_id3151042" xml-lang="en-US" level="2" l10n="U" oldref="5">Return value:</paragraph>
<paragraph role="paragraph" id="par_id3150440" xml-lang="en-US" l10n="U" oldref="6">Integer</paragraph>
<paragraph role="heading" id="hd_id3148576" xml-lang="en-US" level="2" l10n="U" oldref="7">Parameters:</paragraph>
<paragraph role="paragraph" id="par_id3155854" xml-lang="en-US" l10n="U" oldref="8">This function can only be used immediately in front of an Open statement. FreeFile returns the next available file number, but does not reserve it.</paragraph>
<embed href="text/sbasic/shared/00000003.xhp#errorcode"/>
<embed href="text/sbasic/shared/00000003.xhp#err5"/>
<embed href="text/sbasic/shared/00000003.xhp#err67"/>
<paragraph role="heading" id="hd_id3159153" xml-lang="en-US" level="2" l10n="U" oldref="9">Example:</paragraph>
<bascode>
<paragraph role="bascode" localize="false" xml-lang="en-US">Sub ExampleWorkWithAFile</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">Dim iNumber As Integer</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">Dim sLine As String</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">Dim aFile As String</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">Dim sMsg As String</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">    aFile = "c:\data.txt"</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">    sMsg = ""</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">    iNumber = Freefile</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">    Open aFile For Output As #iNumber</paragraph>
<paragraph role="bascode" id="par_id3155416" xml-lang="en-US" l10n="U" oldref="18">    Print #iNumber, "First line of text"</paragraph>
<paragraph role="bascode" id="par_id3153416" xml-lang="en-US" l10n="U" oldref="19">    Print #iNumber, "Another line of text"</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">    Close #iNumber</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">    iNumber = Freefile</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">    Open aFile For Input As #iNumber</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">    While Not eof(#iNumber)</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">        Line Input #iNumber, sLine</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">        If sLine &lt;&gt;"" Then</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">            sMsg = sMsg &amp; sLine &amp; chr(13)</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">        End If</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">    Wend</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">    Close #iNumber</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">    MsgBox sMsg</paragraph>
<paragraph role="bascode" localize="false" xml-lang="en-US">End Sub</paragraph>
</bascode>
</body>
</helpdocument>