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="textsbasicshared03020202xml" indexer="include" status="PUBLISH"> 27<title id="tit" xml-lang="en-US">Input# Statement [Runtime]</title> 28<filename>/text/sbasic/shared/03020202.xhp</filename> 29</topic> 30</meta> 31<body> 32<section id="input"> 33<bookmark xml-lang="en-US" branch="index" id="bm_id3154908"> 34<bookmark_value>Input statement</bookmark_value> 35</bookmark> 36<paragraph role="heading" id="hd_id3154908" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03020202.xhp" name="Input# Statement [Runtime]">Input# Statement [Runtime]</link></paragraph> 37<paragraph role="paragraph" id="par_id3156424" xml-lang="en-US" l10n="U" oldref="2">Reads data from an open sequential file.</paragraph> 38</section> 39<paragraph role="heading" id="hd_id3125863" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph> 40<paragraph role="code" id="par_id3150440" xml-lang="en-US" l10n="U" oldref="4">Input #FileNumber As Integer; var1[, var2[, var3[,...]]]</paragraph> 41<paragraph role="heading" id="hd_id3146121" xml-lang="en-US" level="2" l10n="U" oldref="5">Parameters:</paragraph> 42<paragraph role="paragraph" id="par_id3145749" xml-lang="en-US" l10n="U" oldref="6"> 43<emph>FileNumber:</emph> Number of the file that contains the data that you want to read. The file must be opened with the Open statement using the key word INPUT.</paragraph> 44<paragraph role="paragraph" id="par_id3150011" xml-lang="en-US" l10n="U" oldref="7"> 45<emph>var:</emph> A numeric or string variable that you assign the values read from the opened file to.</paragraph> 46<paragraph role="paragraph" id="par_id3159153" xml-lang="en-US" l10n="U" oldref="8">The <emph>Input#</emph> statement reads numeric values or strings from an open file and assigns the data to one or more variables. A numeric variable is read up to the first carriage return (Asc=13), line feed (Asc=10), space, or comma. String variables are read to up to the first carriage return (Asc=13), line feed (Asc=10), or comma.</paragraph> 47<paragraph role="paragraph" id="par_id3146984" xml-lang="en-US" l10n="U" oldref="9">Data and data types in the opened file must appear in the same order as the variables that are passed in the "var" parameter. If you assign non-numeric values to a numeric variable, "var" is assigned a value of "0".</paragraph> 48<paragraph role="paragraph" id="par_id3156442" xml-lang="en-US" l10n="CHG" oldref="10">Records that are separated by commas cannot be assigned to a string variable. Quotation marks (") in the file are disregarded as well. If you want to read these characters from the file, use the <emph>Line Input#</emph> statement to read pure text files (files containing only printable characters) line by line.</paragraph> 49<paragraph role="paragraph" id="par_id3147349" xml-lang="en-US" l10n="U" oldref="11">If the end of the file is reached while reading a data element, an error occurs and the process is aborted.</paragraph> 50<paragraph role="heading" id="hd_id3152578" xml-lang="en-US" level="2" l10n="U" oldref="12">Example:</paragraph> 51<paragraph role="code" id="par_id3144765" xml-lang="en-US" l10n="U" oldref="13">Sub ExampleWorkWithAFile</paragraph> 52<paragraph role="code" id="par_id3145799" xml-lang="en-US" l10n="U" oldref="14">Dim iNumber As Integer</paragraph> 53<paragraph role="code" id="par_id3145252" xml-lang="en-US" l10n="U" oldref="15">Dim sLine As String</paragraph> 54<paragraph role="code" id="par_id3149410" xml-lang="en-US" l10n="U" oldref="16">Dim aFile As String</paragraph> 55<paragraph role="code" id="par_id3149959" xml-lang="en-US" l10n="U" oldref="39">Dim sMsg as String</paragraph> 56<paragraph role="code" id="par_id3153417" xml-lang="en-US" l10n="U" oldref="17">aFile = "c:\data.txt"</paragraph> 57<paragraph role="code" id="par_id3150752" xml-lang="en-US" l10n="U" oldref="19">iNumber = Freefile</paragraph> 58<paragraph role="code" id="par_id3153707" xml-lang="en-US" l10n="U" oldref="20">Open aFile For Output As #iNumber</paragraph> 59<paragraph role="code" id="par_id3150321" xml-lang="en-US" l10n="U" oldref="21">Print #iNumber, "This is a line of text"</paragraph> 60<paragraph role="code" id="par_id3154756" xml-lang="en-US" l10n="U" oldref="22">Print #iNumber, "This is another line of text"</paragraph> 61<paragraph role="code" id="par_id3148408" xml-lang="en-US" l10n="U" oldref="23">Close #iNumber</paragraph> 62<paragraph role="code" id="par_id3155937" xml-lang="en-US" l10n="U" oldref="27">iNumber = Freefile</paragraph> 63<paragraph role="code" id="par_id3154702" xml-lang="en-US" l10n="U" oldref="28">Open aFile For Input As iNumber</paragraph> 64<paragraph role="code" id="par_id3155959" xml-lang="en-US" l10n="U" oldref="29">While not eof(iNumber)</paragraph> 65<paragraph role="code" id="par_id3145232" xml-lang="en-US" l10n="U" oldref="30">Line Input #iNumber, sLine<comment>This is a LINE INPUT# example, not for INPUT#</comment></paragraph> 66<paragraph role="code" id="par_id3147345" xml-lang="en-US" l10n="U" oldref="31">If sLine <>"" then</paragraph> 67<paragraph role="code" id="par_id3150298" xml-lang="en-US" l10n="U" oldref="32">sMsg = sMsg & sLine & chr(13)</paragraph> 68<paragraph role="code" id="par_id3154021" xml-lang="en-US" l10n="U" oldref="34">end if</paragraph> 69<paragraph role="code" id="par_id3154665" xml-lang="en-US" l10n="U" oldref="35">wend</paragraph> 70<paragraph role="code" id="par_id3155607" xml-lang="en-US" l10n="U" oldref="36">Close #iNumber</paragraph> 71<paragraph role="code" id="par_id3153268" xml-lang="en-US" l10n="U" oldref="40">Msgbox sMsg</paragraph> 72<paragraph role="code" id="par_id3152584" xml-lang="en-US" l10n="CHG" oldref="37">End Sub</paragraph> 73</body> 74</helpdocument> 75