helpcontent2/source/text/sbasic/shared/03020203.xhp

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  36 <helpdocument version="1.0">
  37 <meta>
  38 <topic id="textsbasicshared03020203xml" indexer="include" status="PUBLISH">
  39 <title id="tit" xml-lang="en-US">Line Input # Statement [Runtime]</title>
  40 <filename>/text/sbasic/shared/03020203.xhp</filename>
  41 </topic>
  42 <history>
  43 <created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
  44 <lastedited date="2007-03-20T10:03:53">converted from old format - fpe</lastedited>
  45 </history>
  46 </meta>
  47 <body>
  48 <section id="lineinput">
  49 <bookmark xml-lang="en-US" branch="index" id="bm_id3153361"><bookmark_value>Line Input statement</bookmark_value>
  50 </bookmark><comment>mw changed index entry</comment>
  51 <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>
  52 <paragraph role="paragraph" id="par_id3156280" xml-lang="en-US" l10n="U" oldref="2">Reads strings from a sequential file into a variable.</paragraph>
  53 </section>
  54 <paragraph role="heading" id="hd_id3150447" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph>
  55 <paragraph role="code" id="par_id3147229" xml-lang="en-US" l10n="U" oldref="4">Line Input #FileNumber As Integer, Var As String </paragraph>
  56 <paragraph role="heading" id="hd_id3145173" xml-lang="en-US" level="2" l10n="U" oldref="5">Parameters:</paragraph>
  57 <paragraph role="paragraph" id="par_id3161832" xml-lang="en-US" l10n="CHG" oldref="6">
  58 <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>
  59 <paragraph role="paragraph" id="par_id3151119" xml-lang="en-US" l10n="U" oldref="7">
  60 <emph>var:</emph> The name of the variable that stores the result.</paragraph>
  61 <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>
  62 <paragraph role="heading" id="hd_id3163711" xml-lang="en-US" level="2" l10n="U" oldref="9">Example:</paragraph>
  63 <paragraph role="code" id="par_id3145271" xml-lang="en-US" l10n="U" oldref="10">Sub ExampleWorkWithAFile</paragraph>
  64 <paragraph role="code" id="par_id3156444" xml-lang="en-US" l10n="U" oldref="11">Dim iNumber As Integer</paragraph>
  65 <paragraph role="code" id="par_id3147349" xml-lang="en-US" l10n="U" oldref="12">Dim sLine As String</paragraph>
  66 <paragraph role="code" id="par_id3149664" xml-lang="en-US" l10n="U" oldref="13">Dim aFile As String</paragraph>
  67 <paragraph role="code" id="par_id3147436" xml-lang="en-US" l10n="U" oldref="36">Dim sMsg as String</paragraph>
  68 <paragraph role="code" id="par_id3154730" xml-lang="en-US" l10n="U" oldref="14">aFile = "c:\data.txt"</paragraph>
  69 <paragraph role="code" id="par_id3145647" xml-lang="en-US" l10n="U" oldref="16">iNumber = Freefile</paragraph>
  70 <paragraph role="code" id="par_id3149959" xml-lang="en-US" l10n="U" oldref="17">Open aFile For Output As #iNumber</paragraph>
  71 <paragraph role="code" id="par_id3147124" xml-lang="en-US" l10n="U" oldref="18">Print #iNumber, "This is a line of text"</paragraph>
  72 <paragraph role="code" id="par_id3153415" xml-lang="en-US" l10n="U" oldref="19">Print #iNumber, "This is another line of text"</paragraph>
  73 <paragraph role="code" id="par_id3146969" xml-lang="en-US" l10n="U" oldref="20">Close #iNumber</paragraph>
  74 <paragraph role="code" id="par_id3154482" xml-lang="en-US" l10n="U" oldref="24">iNumber = Freefile</paragraph>
  75 <paragraph role="code" id="par_id3150321" xml-lang="en-US" l10n="U" oldref="25">Open aFile For Input As iNumber</paragraph>
  76 <paragraph role="code" id="par_id3155443" xml-lang="en-US" l10n="U" oldref="26">While not eof(iNumber)</paragraph>
  77 <paragraph role="code" id="par_id3155764" xml-lang="en-US" l10n="U" oldref="27">Line Input #iNumber, sLine</paragraph>
  78 <paragraph role="code" id="par_id3156382" xml-lang="en-US" l10n="U" oldref="28">If sLine &lt;&gt;"" then</paragraph>
  79 <paragraph role="code" id="par_id3147338" xml-lang="en-US" l10n="U" oldref="29">sMsg = sMsg &amp; sLine &amp; chr(13)</paragraph>
  80 <paragraph role="code" id="par_id3147362" xml-lang="en-US" l10n="U" oldref="31">end if</paragraph>
  81 <paragraph role="code" id="par_id3155333" xml-lang="en-US" l10n="U" oldref="32">wend</paragraph>
  82 <paragraph role="code" id="par_id3153965" xml-lang="en-US" l10n="U" oldref="33">Close #iNumber</paragraph>
  83 <paragraph role="code" id="par_id3147345" xml-lang="en-US" l10n="U" oldref="37">Msgbox sMsg</paragraph>
  84 <paragraph role="code" id="par_id3149257" xml-lang="en-US" l10n="U" oldref="34">End Sub</paragraph>
  85 </body>
  86 </helpdocument>