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="textsbasicshared03020203xml" indexer="include" status="PUBLISH"> 27<title id="tit" xml-lang="en-US">Line Input # Statement [Runtime]</title> 28<filename>/text/sbasic/shared/03020203.xhp</filename> 29</topic> 30</meta> 31<body> 32<section id="lineinput"> 33<bookmark xml-lang="en-US" branch="index" id="bm_id3153361"> 34<bookmark_value>Line Input statement</bookmark_value> 35</bookmark><comment>mw changed index entry</comment> 36<paragraph role="heading" id="hd_id3153361" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03020203.xhp" name="Line Input # Statement [Runtime]">Line Input # Statement [Runtime]</link></paragraph> 37<paragraph role="paragraph" id="par_id3156280" xml-lang="en-US" l10n="U" oldref="2">Reads strings from a sequential file into a variable.</paragraph> 38</section> 39<paragraph role="heading" id="hd_id3150447" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph> 40<paragraph role="code" id="par_id3147229" xml-lang="en-US" l10n="U" oldref="4">Line Input #FileNumber As Integer, Var As String </paragraph> 41<paragraph role="heading" id="hd_id3145173" xml-lang="en-US" level="2" l10n="U" oldref="5">Parameters:</paragraph> 42<paragraph role="paragraph" id="par_id3161832" xml-lang="en-US" l10n="CHG" oldref="6"> 43<emph>FileNumber:</emph> Number of the file that contains the data that you want to read. The file must have been opened in advance with the Open statement using the key word INPUT.</paragraph> 44<paragraph role="paragraph" id="par_id3151119" xml-lang="en-US" l10n="U" oldref="7"> 45<emph>var:</emph> The name of the variable that stores the result.</paragraph> 46<paragraph role="paragraph" id="par_id3150010" xml-lang="en-US" l10n="U" oldref="8">With the <emph>Line Input#</emph> statement, you can read strings from an open file into a variable. String variables are read line-by-line up to the first carriage return (Asc=13) or linefeed (Asc=10). Line end marks are not included in the resulting string.</paragraph> 47<paragraph role="heading" id="hd_id3163711" xml-lang="en-US" level="2" l10n="U" oldref="9">Example:</paragraph> 48<paragraph role="code" id="par_id3145271" xml-lang="en-US" l10n="U" oldref="10">Sub ExampleWorkWithAFile</paragraph> 49<paragraph role="code" id="par_id3156444" xml-lang="en-US" l10n="U" oldref="11">Dim iNumber As Integer</paragraph> 50<paragraph role="code" id="par_id3147349" xml-lang="en-US" l10n="U" oldref="12">Dim sLine As String</paragraph> 51<paragraph role="code" id="par_id3149664" xml-lang="en-US" l10n="U" oldref="13">Dim aFile As String</paragraph> 52<paragraph role="code" id="par_id3147436" xml-lang="en-US" l10n="U" oldref="36">Dim sMsg as String</paragraph> 53<paragraph role="code" id="par_id3154730" xml-lang="en-US" l10n="U" oldref="14">aFile = "c:\data.txt"</paragraph> 54<paragraph role="code" id="par_id3145647" xml-lang="en-US" l10n="U" oldref="16">iNumber = Freefile</paragraph> 55<paragraph role="code" id="par_id3149959" xml-lang="en-US" l10n="U" oldref="17">Open aFile For Output As #iNumber</paragraph> 56<paragraph role="code" id="par_id3147124" xml-lang="en-US" l10n="U" oldref="18">Print #iNumber, "This is a line of text"</paragraph> 57<paragraph role="code" id="par_id3153415" xml-lang="en-US" l10n="U" oldref="19">Print #iNumber, "This is another line of text"</paragraph> 58<paragraph role="code" id="par_id3146969" xml-lang="en-US" l10n="U" oldref="20">Close #iNumber</paragraph> 59<paragraph role="code" id="par_id3154482" xml-lang="en-US" l10n="U" oldref="24">iNumber = Freefile</paragraph> 60<paragraph role="code" id="par_id3150321" xml-lang="en-US" l10n="U" oldref="25">Open aFile For Input As iNumber</paragraph> 61<paragraph role="code" id="par_id3155443" xml-lang="en-US" l10n="U" oldref="26">While not eof(iNumber)</paragraph> 62<paragraph role="code" id="par_id3155764" xml-lang="en-US" l10n="U" oldref="27">Line Input #iNumber, sLine</paragraph> 63<paragraph role="code" id="par_id3156382" xml-lang="en-US" l10n="U" oldref="28">If sLine <>"" then</paragraph> 64<paragraph role="code" id="par_id3147338" xml-lang="en-US" l10n="U" oldref="29">sMsg = sMsg & sLine & chr(13)</paragraph> 65<paragraph role="code" id="par_id3147362" xml-lang="en-US" l10n="U" oldref="31">end if</paragraph> 66<paragraph role="code" id="par_id3155333" xml-lang="en-US" l10n="U" oldref="32">wend</paragraph> 67<paragraph role="code" id="par_id3153965" xml-lang="en-US" l10n="U" oldref="33">Close #iNumber</paragraph> 68<paragraph role="code" id="par_id3147345" xml-lang="en-US" l10n="U" oldref="37">Msgbox sMsg</paragraph> 69<paragraph role="code" id="par_id3149257" xml-lang="en-US" l10n="U" oldref="34">End Sub</paragraph> 70</body> 71</helpdocument> 72