xref: /AOO42X/main/helpcontent2/source/text/sbasic/shared/03020203.xhp (revision 3a73b3123e2b4af4d693d209f057f2174d2c2c1b)
1cdf0e10cSrcweir<?xml version="1.0" encoding="UTF-8"?>
2cdf0e10cSrcweir
3d33d0967SAndrew Rist<!--***********************************************************
4cdf0e10cSrcweir *
5d33d0967SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
6d33d0967SAndrew Rist * or more contributor license agreements.  See the NOTICE file
7d33d0967SAndrew Rist * distributed with this work for additional information
8d33d0967SAndrew Rist * regarding copyright ownership.  The ASF licenses this file
9d33d0967SAndrew Rist * to you under the Apache License, Version 2.0 (the
10d33d0967SAndrew Rist * "License"); you may not use this file except in compliance
11d33d0967SAndrew Rist * with the License.  You may obtain a copy of the License at
12cdf0e10cSrcweir *
13d33d0967SAndrew Rist *   http://www.apache.org/licenses/LICENSE-2.0
14cdf0e10cSrcweir *
15d33d0967SAndrew Rist * Unless required by applicable law or agreed to in writing,
16d33d0967SAndrew Rist * software distributed under the License is distributed on an
17d33d0967SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
18d33d0967SAndrew Rist * KIND, either express or implied.  See the License for the
19d33d0967SAndrew Rist * specific language governing permissions and limitations
20d33d0967SAndrew Rist * under the License.
21cdf0e10cSrcweir *
22d33d0967SAndrew Rist ***********************************************************-->
23d33d0967SAndrew Rist
24cdf0e10cSrcweir<helpdocument version="1.0">
25cdf0e10cSrcweir<meta>
26cdf0e10cSrcweir<topic id="textsbasicshared03020203xml" indexer="include" status="PUBLISH">
27cdf0e10cSrcweir<title id="tit" xml-lang="en-US">Line Input # Statement [Runtime]</title>
28cdf0e10cSrcweir<filename>/text/sbasic/shared/03020203.xhp</filename>
29cdf0e10cSrcweir</topic>
30cdf0e10cSrcweir</meta>
31cdf0e10cSrcweir<body>
32cdf0e10cSrcweir<section id="lineinput">
33e91968a5Smseidel<bookmark xml-lang="en-US" branch="index" id="bm_id3153361">
34e91968a5Smseidel<bookmark_value>Line Input statement</bookmark_value>
35cdf0e10cSrcweir</bookmark><comment>mw changed index entry</comment>
36*3a73b312Smseidel<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>
37*3a73b312Smseidel<paragraph role="paragraph" id="par_id3156280" xml-lang="en-US" l10n="U">Reads strings from a sequential file into a variable.</paragraph>
38cdf0e10cSrcweir</section>
39*3a73b312Smseidel<paragraph role="heading" id="hd_id3150447" xml-lang="en-US" level="2" l10n="U">Syntax:</paragraph>
40*3a73b312Smseidel<paragraph role="code" id="par_id3147229" xml-lang="en-US" l10n="U">Line Input #FileNumber As Integer, Var As String</paragraph>
41*3a73b312Smseidel<paragraph role="heading" id="hd_id3145173" xml-lang="en-US" level="2" l10n="U">Parameters:</paragraph>
42*3a73b312Smseidel<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>
43*3a73b312Smseidel<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>
44*3a73b312Smseidel<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>
45*3a73b312Smseidel<paragraph role="heading" id="hd_id3163711" xml-lang="en-US" level="2" l10n="U">Example:</paragraph>
46*3a73b312Smseidel<paragraph role="code" id="par_id3145271" xml-lang="en-US" l10n="U">Sub ExampleWorkWithAFile</paragraph>
47*3a73b312Smseidel<paragraph role="code" id="par_id3156444" xml-lang="en-US" l10n="U">Dim iNumber As Integer</paragraph>
48*3a73b312Smseidel<paragraph role="code" id="par_id3147349" xml-lang="en-US" l10n="U">Dim sLine As String</paragraph>
49*3a73b312Smseidel<paragraph role="code" id="par_id3149664" xml-lang="en-US" l10n="U">Dim aFile As String</paragraph>
50*3a73b312Smseidel<paragraph role="code" id="par_id3147436" xml-lang="en-US" l10n="U">Dim sMsg as String</paragraph>
51*3a73b312Smseidel<paragraph role="code" id="par_id3154730" xml-lang="en-US" l10n="U">aFile = "c:\data.txt"</paragraph>
52*3a73b312Smseidel<paragraph role="code" id="par_id3145647" xml-lang="en-US" l10n="U">iNumber = Freefile</paragraph>
53*3a73b312Smseidel<paragraph role="code" id="par_id3149959" xml-lang="en-US" l10n="U">Open aFile For Output As #iNumber</paragraph>
54*3a73b312Smseidel<paragraph role="code" id="par_id3147124" xml-lang="en-US" l10n="U">Print #iNumber, "This is a line of text"</paragraph>
55*3a73b312Smseidel<paragraph role="code" id="par_id3153415" xml-lang="en-US" l10n="U">Print #iNumber, "This is another line of text"</paragraph>
56*3a73b312Smseidel<paragraph role="code" id="par_id3146969" xml-lang="en-US" l10n="U">Close #iNumber</paragraph>
57*3a73b312Smseidel<paragraph role="code" id="par_id3154482" xml-lang="en-US" l10n="U">iNumber = Freefile</paragraph>
58*3a73b312Smseidel<paragraph role="code" id="par_id3150321" xml-lang="en-US" l10n="U">Open aFile For Input As iNumber</paragraph>
59*3a73b312Smseidel<paragraph role="code" id="par_id3155443" xml-lang="en-US" l10n="U">While not eof(iNumber)</paragraph>
60*3a73b312Smseidel<paragraph role="code" id="par_id3155764" xml-lang="en-US" l10n="U">Line Input #iNumber, sLine</paragraph>
61*3a73b312Smseidel<paragraph role="code" id="par_id3156382" xml-lang="en-US" l10n="U">If sLine &lt;&gt;"" then</paragraph>
62*3a73b312Smseidel<paragraph role="code" id="par_id3147338" xml-lang="en-US" l10n="U">sMsg = sMsg &amp; sLine &amp; chr(13)</paragraph>
63*3a73b312Smseidel<paragraph role="code" id="par_id3147362" xml-lang="en-US" l10n="U">end if</paragraph>
64*3a73b312Smseidel<paragraph role="code" id="par_id3155333" xml-lang="en-US" l10n="U">wend</paragraph>
65*3a73b312Smseidel<paragraph role="code" id="par_id3153965" xml-lang="en-US" l10n="U">Close #iNumber</paragraph>
66*3a73b312Smseidel<paragraph role="code" id="par_id3147345" xml-lang="en-US" l10n="U">Msgbox sMsg</paragraph>
67*3a73b312Smseidel<paragraph role="code" id="par_id3149257" xml-lang="en-US" l10n="U">End Sub</paragraph>
68cdf0e10cSrcweir</body>
69cdf0e10cSrcweir</helpdocument>
70