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  1. <?xml version="1.0" encoding="UTF-8"?>
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  56.     
  57. <helpdocument version="1.0">
  58. <meta>
  59. <topic id="textsbasicshared03020102xml" indexer="include" status="PUBLISH">
  60. <title id="tit" xml-lang="en-US">FreeFile Function[Runtime]</title>
  61. <filename>/text/sbasic/shared/03020102.xhp</filename>
  62. </topic>
  63. <history>
  64. <created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
  65. <lastedited date="2004-12-17T10:51:46">converted from old format - fpe</lastedited>
  66. </history>
  67. </meta>
  68. <body>
  69. <section id="freefile">
  70. <bookmark xml-lang="en-US" branch="index" id="bm_id3150400"><bookmark_value>FreeFile function</bookmark_value>
  71. </bookmark>
  72. <paragraph role="heading" id="hd_id3150400" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03020102.xhp" name="FreeFile Function[Runtime]">FreeFile Function[Runtime]</link></paragraph>
  73. <paragraph role="paragraph" id="par_id3154366" xml-lang="en-US" l10n="U" oldref="2">Returns the next available file number for opening a file. Use this function to open a file using a file number that is not already in use by a currently open file.</paragraph>
  74. </section>
  75. <paragraph role="heading" id="hd_id3150769" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph>
  76. <paragraph role="code" id="par_id3150869" xml-lang="en-US" l10n="U" oldref="4">FreeFile</paragraph>
  77. <paragraph role="heading" id="hd_id3151042" xml-lang="en-US" level="2" l10n="U" oldref="5">Return value:</paragraph>
  78. <paragraph role="paragraph" id="par_id3150440" xml-lang="en-US" l10n="U" oldref="6">Integer</paragraph>
  79. <paragraph role="heading" id="hd_id3148576" xml-lang="en-US" level="2" l10n="U" oldref="7">Parameters:</paragraph>
  80. <paragraph role="paragraph" id="par_id3155854" xml-lang="en-US" l10n="U" oldref="8">This function can only be used immediately in front of an Open statement. FreeFile returns the next available file number, but does not reserve it.</paragraph>
  81. <embed href="text/sbasic/shared/00000003.xhp#errorcode"/>
  82. <embed href="text/sbasic/shared/00000003.xhp#err5"/>
  83. <embed href="text/sbasic/shared/00000003.xhp#err67"/>
  84. <paragraph role="heading" id="hd_id3159153" xml-lang="en-US" level="2" l10n="U" oldref="9">Example:</paragraph>
  85. <paragraph role="code" id="par_id3146120" xml-lang="en-US" l10n="U" oldref="10">Sub ExampleWorkWithAFile</paragraph>
  86. <paragraph role="code" id="par_id3154319" xml-lang="en-US" l10n="U" oldref="11">Dim iNumber As Integer</paragraph>
  87. <paragraph role="code" id="par_id3151117" xml-lang="en-US" l10n="U" oldref="12">Dim sLine As String</paragraph>
  88. <paragraph role="code" id="par_id3147426" xml-lang="en-US" l10n="U" oldref="13">Dim aFile As String</paragraph>
  89. <paragraph role="code" id="par_id3149667" xml-lang="en-US" l10n="U" oldref="36">Dim sMsg as String</paragraph>
  90. <paragraph role="code" id="par_id3145800" xml-lang="en-US" l10n="U" oldref="14">aFile = "c:\data.txt"</paragraph>
  91. <paragraph role="code" id="par_id3147396" xml-lang="en-US" l10n="CHG" oldref="15">sMsg = ""</paragraph>
  92. <paragraph role="code" id="par_id3154490" xml-lang="en-US" l10n="U" oldref="16">iNumber = Freefile</paragraph>
  93. <paragraph role="code" id="par_id3151074" xml-lang="en-US" l10n="U" oldref="17">Open aFile For Output As #iNumber</paragraph>
  94. <paragraph role="code" id="par_id3155416" xml-lang="en-US" l10n="U" oldref="18">Print #iNumber, "First line of text"</paragraph>
  95. <paragraph role="code" id="par_id3153416" xml-lang="en-US" l10n="U" oldref="19">Print #iNumber, "Another line of text"</paragraph>
  96. <paragraph role="code" id="par_id3149401" xml-lang="en-US" l10n="U" oldref="20">Close #iNumber</paragraph>
  97. <paragraph role="code" id="par_id3150330" xml-lang="en-US" l10n="U" oldref="24">iNumber = Freefile</paragraph>
  98. <paragraph role="code" id="par_id3155067" xml-lang="en-US" l10n="U" oldref="25">Open aFile For Input As #iNumber</paragraph>
  99. <paragraph role="code" id="par_id3155443" xml-lang="en-US" l10n="U" oldref="26">While not eof(#iNumber)</paragraph>
  100. <paragraph role="code" id="par_id3153714" xml-lang="en-US" l10n="U" oldref="27">Line Input #iNumber, sLine</paragraph>
  101. <paragraph role="code" id="par_id3148408" xml-lang="en-US" l10n="U" oldref="28">If sLine <>"" then</paragraph>
  102. <paragraph role="code" id="par_id3156385" xml-lang="en-US" l10n="U" oldref="29">sMsg = sMsg & sLine & chr(13)</paragraph>
  103. <paragraph role="code" id="par_id3145147" xml-lang="en-US" l10n="U" oldref="31">end if</paragraph>
  104. <paragraph role="code" id="par_id3153966" xml-lang="en-US" l10n="U" oldref="32">wend</paragraph>
  105. <paragraph role="code" id="par_id3155961" xml-lang="en-US" l10n="U" oldref="33">Close #iNumber</paragraph>
  106. <paragraph role="code" id="par_id3149567" xml-lang="en-US" l10n="U" oldref="37">Msgbox sMsg</paragraph>
  107. <paragraph role="code" id="par_id3146917" xml-lang="en-US" l10n="U" oldref="34">End Sub</paragraph>
  108. </body>
  109. </helpdocument>
  110.