| <?xml version="1.0" encoding="UTF-8"?> |
| |
| <!--*********************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| ***********************************************************--> |
| |
| <helpdocument version="1.0"> |
| <meta> |
| <topic id="textsbasicshared03020203xml" indexer="include" status="PUBLISH"> |
| <title id="tit" xml-lang="en-US">Line Input # Statement [Runtime]</title> |
| <filename>/text/sbasic/shared/03020203.xhp</filename> |
| </topic> |
| </meta> |
| <body> |
| <section id="lineinput"> |
| <bookmark xml-lang="en-US" branch="index" id="bm_id3153361"> |
| <bookmark_value>Line Input statement</bookmark_value> |
| </bookmark><comment>mw changed index entry</comment> |
| <paragraph role="heading" id="hd_id3153361" xml-lang="en-US" level="1" l10n="U"><link href="text/sbasic/shared/03020203.xhp" name="Line Input # Statement [Runtime]">Line Input # Statement [Runtime]</link></paragraph> |
| <paragraph role="paragraph" id="par_id3156280" xml-lang="en-US" l10n="U">Reads strings from a sequential file into a variable.</paragraph> |
| </section> |
| <paragraph role="heading" id="hd_id3150447" xml-lang="en-US" level="2" l10n="U">Syntax:</paragraph> |
| <paragraph role="code" id="par_id3147229" xml-lang="en-US" l10n="U">Line Input #FileNumber As Integer, Var As String</paragraph> |
| <paragraph role="heading" id="hd_id3145173" xml-lang="en-US" level="2" l10n="U">Parameters:</paragraph> |
| <paragraph role="paragraph" id="par_id3161832" xml-lang="en-US" l10n="CHG"><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> |
| <paragraph role="paragraph" id="par_id3151119" xml-lang="en-US" l10n="U"><emph>var:</emph> The name of the variable that stores the result.</paragraph> |
| <paragraph role="paragraph" id="par_id3150010" xml-lang="en-US" l10n="U">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> |
| <paragraph role="heading" id="hd_id3163711" xml-lang="en-US" level="2" l10n="U">Example:</paragraph> |
| <paragraph role="code" id="par_id3145271" xml-lang="en-US" l10n="U">Sub ExampleWorkWithAFile</paragraph> |
| <paragraph role="code" id="par_id3156444" xml-lang="en-US" l10n="U">Dim iNumber As Integer</paragraph> |
| <paragraph role="code" id="par_id3147349" xml-lang="en-US" l10n="U">Dim sLine As String</paragraph> |
| <paragraph role="code" id="par_id3149664" xml-lang="en-US" l10n="U">Dim aFile As String</paragraph> |
| <paragraph role="code" id="par_id3147436" xml-lang="en-US" l10n="U">Dim sMsg as String</paragraph> |
| <paragraph role="code" id="par_id3154730" xml-lang="en-US" l10n="U">aFile = "c:\data.txt"</paragraph> |
| <paragraph role="code" id="par_id3145647" xml-lang="en-US" l10n="U">iNumber = Freefile</paragraph> |
| <paragraph role="code" id="par_id3149959" xml-lang="en-US" l10n="U">Open aFile For Output As #iNumber</paragraph> |
| <paragraph role="code" id="par_id3147124" xml-lang="en-US" l10n="U">Print #iNumber, "This is a line of text"</paragraph> |
| <paragraph role="code" id="par_id3153415" xml-lang="en-US" l10n="U">Print #iNumber, "This is another line of text"</paragraph> |
| <paragraph role="code" id="par_id3146969" xml-lang="en-US" l10n="U">Close #iNumber</paragraph> |
| <paragraph role="code" id="par_id3154482" xml-lang="en-US" l10n="U">iNumber = Freefile</paragraph> |
| <paragraph role="code" id="par_id3150321" xml-lang="en-US" l10n="U">Open aFile For Input As iNumber</paragraph> |
| <paragraph role="code" id="par_id3155443" xml-lang="en-US" l10n="U">While not eof(iNumber)</paragraph> |
| <paragraph role="code" id="par_id3155764" xml-lang="en-US" l10n="U">Line Input #iNumber, sLine</paragraph> |
| <paragraph role="code" id="par_id3156382" xml-lang="en-US" l10n="U">If sLine <>"" then</paragraph> |
| <paragraph role="code" id="par_id3147338" xml-lang="en-US" l10n="U">sMsg = sMsg & sLine & chr(13)</paragraph> |
| <paragraph role="code" id="par_id3147362" xml-lang="en-US" l10n="U">end if</paragraph> |
| <paragraph role="code" id="par_id3155333" xml-lang="en-US" l10n="U">wend</paragraph> |
| <paragraph role="code" id="par_id3153965" xml-lang="en-US" l10n="U">Close #iNumber</paragraph> |
| <paragraph role="code" id="par_id3147345" xml-lang="en-US" l10n="U">Msgbox sMsg</paragraph> |
| <paragraph role="code" id="par_id3149257" xml-lang="en-US" l10n="U">End Sub</paragraph> |
| </body> |
| </helpdocument> |
