1<?xml version="1.0" encoding="UTF-8"?> 2 3<!--*********************************************************** 4 * 5 * Licensed to the Apache Software Foundation (ASF) under one 6 * or more contributor license agreements. See the NOTICE file 7 * distributed with this work for additional information 8 * regarding copyright ownership. The ASF licenses this file 9 * to you under the Apache License, Version 2.0 (the 10 * "License"); you may not use this file except in compliance 11 * with the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, 16 * software distributed under the License is distributed on an 17 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 18 * KIND, either express or implied. See the License for the 19 * specific language governing permissions and limitations 20 * under the License. 21 * 22 ***********************************************************--> 23 24<helpdocument version="1.0"> 25<meta> 26<topic id="textsbasicshared03020102xml" indexer="include" status="PUBLISH"> 27<title id="tit" xml-lang="en-US">FreeFile Function[Runtime]</title> 28<filename>/text/sbasic/shared/03020102.xhp</filename> 29</topic> 30</meta> 31<body> 32<section id="freefile"> 33<bookmark xml-lang="en-US" branch="index" id="bm_id3150400"> 34<bookmark_value>FreeFile function</bookmark_value> 35</bookmark> 36<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> 37<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> 38</section> 39<paragraph role="heading" id="hd_id3150769" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph> 40<paragraph role="code" id="par_id3150869" xml-lang="en-US" l10n="U" oldref="4">FreeFile</paragraph> 41<paragraph role="heading" id="hd_id3151042" xml-lang="en-US" level="2" l10n="U" oldref="5">Return value:</paragraph> 42<paragraph role="paragraph" id="par_id3150440" xml-lang="en-US" l10n="U" oldref="6">Integer</paragraph> 43<paragraph role="heading" id="hd_id3148576" xml-lang="en-US" level="2" l10n="U" oldref="7">Parameters:</paragraph> 44<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> 45<embed href="text/sbasic/shared/00000003.xhp#errorcode"/> 46<embed href="text/sbasic/shared/00000003.xhp#err5"/> 47<embed href="text/sbasic/shared/00000003.xhp#err67"/> 48<paragraph role="heading" id="hd_id3159153" xml-lang="en-US" level="2" l10n="U" oldref="9">Example:</paragraph> 49<paragraph role="code" id="par_id3146120" xml-lang="en-US" l10n="U" oldref="10">Sub ExampleWorkWithAFile</paragraph> 50<paragraph role="code" id="par_id3154319" xml-lang="en-US" l10n="U" oldref="11">Dim iNumber As Integer</paragraph> 51<paragraph role="code" id="par_id3151117" xml-lang="en-US" l10n="U" oldref="12">Dim sLine As String</paragraph> 52<paragraph role="code" id="par_id3147426" xml-lang="en-US" l10n="U" oldref="13">Dim aFile As String</paragraph> 53<paragraph role="code" id="par_id3149667" xml-lang="en-US" l10n="U" oldref="36">Dim sMsg as String</paragraph> 54<paragraph role="code" id="par_id3145800" xml-lang="en-US" l10n="U" oldref="14">aFile = "c:\data.txt"</paragraph> 55<paragraph role="code" id="par_id3147396" xml-lang="en-US" l10n="CHG" oldref="15">sMsg = ""</paragraph> 56<paragraph role="code" id="par_id3154490" xml-lang="en-US" l10n="U" oldref="16">iNumber = Freefile</paragraph> 57<paragraph role="code" id="par_id3151074" xml-lang="en-US" l10n="U" oldref="17">Open aFile For Output As #iNumber</paragraph> 58<paragraph role="code" id="par_id3155416" xml-lang="en-US" l10n="U" oldref="18">Print #iNumber, "First line of text"</paragraph> 59<paragraph role="code" id="par_id3153416" xml-lang="en-US" l10n="U" oldref="19">Print #iNumber, "Another line of text"</paragraph> 60<paragraph role="code" id="par_id3149401" xml-lang="en-US" l10n="U" oldref="20">Close #iNumber</paragraph> 61<paragraph role="code" id="par_id3150330" xml-lang="en-US" l10n="U" oldref="24">iNumber = Freefile</paragraph> 62<paragraph role="code" id="par_id3155067" xml-lang="en-US" l10n="U" oldref="25">Open aFile For Input As #iNumber</paragraph> 63<paragraph role="code" id="par_id3155443" xml-lang="en-US" l10n="U" oldref="26">While not eof(#iNumber)</paragraph> 64<paragraph role="code" id="par_id3153714" xml-lang="en-US" l10n="U" oldref="27">Line Input #iNumber, sLine</paragraph> 65<paragraph role="code" id="par_id3148408" xml-lang="en-US" l10n="U" oldref="28">If sLine <>"" then</paragraph> 66<paragraph role="code" id="par_id3156385" xml-lang="en-US" l10n="U" oldref="29">sMsg = sMsg & sLine & chr(13)</paragraph> 67<paragraph role="code" id="par_id3145147" xml-lang="en-US" l10n="U" oldref="31">end if</paragraph> 68<paragraph role="code" id="par_id3153966" xml-lang="en-US" l10n="U" oldref="32">wend</paragraph> 69<paragraph role="code" id="par_id3155961" xml-lang="en-US" l10n="U" oldref="33">Close #iNumber</paragraph> 70<paragraph role="code" id="par_id3149567" xml-lang="en-US" l10n="U" oldref="37">Msgbox sMsg</paragraph> 71<paragraph role="code" id="par_id3146917" xml-lang="en-US" l10n="U" oldref="34">End Sub</paragraph> 72</body> 73</helpdocument> 74