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9.1 KiB
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125 lines
No EOL
9.1 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<helpdocument version="1.0">
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<!--
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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-->
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<meta>
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<topic id="textsbasicshared03020201xml" indexer="include" status="PUBLISH">
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<title id="tit" xml-lang="en-US">Get Statement</title>
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<filename>/text/sbasic/shared/03020201.xhp</filename>
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</topic>
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</meta>
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<body>
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<section id="get">
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<bookmark xml-lang="en-US" branch="index" id="bm_id3154927">
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<bookmark_value>Get statement</bookmark_value>
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</bookmark>
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<h1 id="hd_id3154927"><variable id="Get_h1"><link href="text/sbasic/shared/03020201.xhp">Get Statement</link></variable></h1>
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<paragraph id="par_id3145069" role="paragraph" xml-lang="en-US">Reads a record from a relative file, or a sequence of bytes from a binary file, into a variable.</paragraph>
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</section>
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<paragraph id="par_id3154346" role="paragraph" xml-lang="en-US">See also: <link href="text/sbasic/shared/03020204.xhp"><item type="literal">PUT</item></link> Statement</paragraph>
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<embed href="text/sbasic/shared/00000003.xhp#functsyntax"/>
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<paragraph role="paragraph" id="par_id971587473488701">
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<image src="media/helpimg/sbasic/Get_statement.svg" id="img_id4156296484514"><alt xml-lang="en-US" id="alt_id15152796484514">Get Statement diagram</alt></image>
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</paragraph>
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<bascode>
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<paragraph id="par_id3150792" role="bascode" xml-lang="en-US">Get [#]fileNum, [recordNum|filePos], variable</paragraph>
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</bascode>
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<embed href="text/sbasic/shared/00000003.xhp#functparameters"/>
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<paragraph id="par_id3150448" role="paragraph" xml-lang="en-US"> <emph>fileNum:</emph> Any integer expression that determines the file number.</paragraph>
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<paragraph id="par_id3154684" role="paragraph" xml-lang="en-US"> <emph>recordNum:</emph> For files opened in Random mode, <emph>recordNum</emph> is the number of the record that you want to read.</paragraph>
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<paragraph id="par_id3153768" role="paragraph" xml-lang="en-US">For files opened in Binary mode, <emph>filePos</emph> is the byte position in the file where the reading starts.</paragraph>
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<paragraph id="par_id3147319" role="paragraph" xml-lang="en-US">If <emph>recordNum</emph> and <emph>filePos</emph> are omitted, the current position or the current data record of the file is used.</paragraph>
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<paragraph id="par_id3149484" role="paragraph" xml-lang="en-US"><emph>variable:</emph> Name of the variable to be read. With the exception of object variables, you can use any variable type.</paragraph>
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<embed href="text/sbasic/shared/00000003.xhp#functexample"/>
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<section id="ExampleRandomAccess">
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<switch select="sys">
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<case select="WIN">
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<bascode>
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<paragraph id="par_idm1340774864" role="bascode" localize="false">Sub ExampleRandomAccess</paragraph>
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<paragraph id="par_idm1340773632" role="bascode" localize="false"> Dim iNumber As Integer</paragraph>
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<paragraph id="par_id3155307" role="bascode" xml-lang="en-US"> Dim sText As Variant ' Must be a variant</paragraph>
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<paragraph id="par_idm1340770608" role="bascode" localize="false"> Dim aFile As String</paragraph>
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<paragraph id="par_idm1340769376" role="bascode" localize="false"> aFile = "C:\Users\ThisUser\data.txt"</paragraph>
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<paragraph id="par_idm1340768128" role="bascode" localize="false"> iNumber = Freefile</paragraph>
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<paragraph id="par_idm1340766896" role="bascode" localize="false"> Open aFile For Random As #iNumber Len=32</paragraph>
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<paragraph id="par_id3149411" role="bascode" xml-lang="en-US"> Seek #iNumber,1 ' Position at beginning</paragraph>
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<paragraph id="par_id3153158" role="bascode" xml-lang="en-US"> Put #iNumber, , "This is the first line of text" ' Fill line with text</paragraph>
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<paragraph id="par_id3148457" role="bascode" xml-lang="en-US"> Put #iNumber, , "This is the second line of text"</paragraph>
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<paragraph id="par_id3150715" role="bascode" xml-lang="en-US"> Put #iNumber, , "This is the third line of text"</paragraph>
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<paragraph id="par_idm1340758576" role="bascode" localize="false"> Seek #iNumber,2</paragraph>
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<paragraph id="par_idm1340757344" role="bascode" localize="false"> Get #iNumber, , sText</paragraph>
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<paragraph id="par_idm1340756112" role="bascode" localize="false"> Print sText</paragraph>
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<paragraph id="par_idm1340754880" role="bascode" localize="false"> Close #iNumber</paragraph>
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<paragraph id="par_idm1340753648" role="bascode" localize="false"> iNumber = Freefile</paragraph>
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<paragraph id="par_idm1340752416" role="bascode" localize="false"> Open aFile For Random As #iNumber Len=32</paragraph>
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<paragraph id="par_idm1340751152" role="bascode" localize="false"> Get #iNumber, 2, sText</paragraph>
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<paragraph id="par_id3155938" role="bascode" xml-lang="en-US"> Put #iNumber, , "This is a new text"</paragraph>
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<paragraph id="par_idm1340748176" role="bascode" localize="false"> Get #iNumber, 1, sText</paragraph>
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<paragraph id="par_idm1340746928" role="bascode" localize="false"> Get #iNumber, 2, sText</paragraph>
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<paragraph id="par_id3146916" role="bascode" xml-lang="en-US"> Put #iNumber, 20, "This is the text in record 20"</paragraph>
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<paragraph id="par_idm1340743936" role="bascode" localize="false"> Print Lof(#iNumber)</paragraph>
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<paragraph id="par_idm1340742704" role="bascode" localize="false"> Close #iNumber</paragraph>
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<paragraph id="par_idm1340741472" role="bascode" localize="false">End Sub</paragraph>
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</bascode>
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</case>
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<default>
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<bascode>
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<paragraph id="par_idm1340774104" role="bascode" localize="false">Sub ExampleRandomAccess</paragraph>
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<paragraph id="par_idm1340773774" role="bascode" localize="false"> Dim iNumber As Integer</paragraph>
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<paragraph id="par_id31553071450" role="bascode" xml-lang="en-US"> Dim sText As Variant ' Must be a variant</paragraph>
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<paragraph id="par_idm1340770200" role="bascode" localize="false"> Dim aFile As String</paragraph>
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<paragraph id="par_idm1340769147" role="bascode" localize="false"> aFile = "~/data.txt"</paragraph>
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<paragraph id="par_idm1340768732" role="bascode" localize="false"> iNumber = Freefile</paragraph>
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<paragraph id="par_idm1340766055" role="bascode" localize="false"> Open aFile For Random As #iNumber Len=32</paragraph>
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<paragraph id="par_id31494111458" role="bascode" xml-lang="en-US"> Seek #iNumber,1 ' Position at beginning</paragraph>
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<paragraph id="par_id31531583325" role="bascode" xml-lang="en-US"> Put #iNumber, , "This is the first line of text" ' Fill line with text</paragraph>
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<paragraph id="par_id31484574785" role="bascode" xml-lang="en-US"> Put #iNumber, , "This is the second line of text"</paragraph>
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<paragraph id="par_id31507151145" role="bascode" xml-lang="en-US"> Put #iNumber, , "This is the third line of text"</paragraph>
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<paragraph id="par_idm1340758225" role="bascode" localize="false"> Seek #iNumber,2</paragraph>
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<paragraph id="par_idm1340757001" role="bascode" localize="false"> Get #iNumber, , sText</paragraph>
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<paragraph id="par_idm1340756855" role="bascode" localize="false"> Print sText</paragraph>
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<paragraph id="par_idm1340754987" role="bascode" localize="false"> Close #iNumber</paragraph>
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<paragraph id="par_idm1340753695" role="bascode" localize="false"> iNumber = Freefile</paragraph>
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<paragraph id="par_idm1340752334" role="bascode" localize="false"> Open aFile For Random As #iNumber Len=32</paragraph>
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<paragraph id="par_idm1340751547" role="bascode" localize="false"> Get #iNumber, 2, sText</paragraph>
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<paragraph id="par_id31559382236" role="bascode" xml-lang="en-US"> Put #iNumber, , "This is a new text"</paragraph>
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<paragraph id="par_idm1340748447" role="bascode" localize="false"> Get #iNumber, 1, sText</paragraph>
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<paragraph id="par_idm1340746658" role="bascode" localize="false"> Get #iNumber, 2, sText</paragraph>
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<paragraph id="par_id31469165876" role="bascode" xml-lang="en-US"> Put #iNumber, 20, "This is the text in record 20"</paragraph>
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<paragraph id="par_idm1340743004" role="bascode" localize="false"> Print Lof(#iNumber)</paragraph>
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<paragraph id="par_idm1340742125" role="bascode" localize="false"> Close #iNumber</paragraph>
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<paragraph id="par_idm1340741288" role="bascode" localize="false">End Sub</paragraph>
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</bascode>
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</default>
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</switch>
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</section>
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<section id="relatedtopics" >
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<embed href="text/sbasic/shared/03020103.xhp#Open_h1"/>
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<embed href="text/sbasic/shared/03020204.xhp#Put_h1"/>
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<embed href="text/sbasic/shared/03020101.xhp#Close_h1"/>
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</section>
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</body>
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</helpdocument> |