ITextStream.Read Method

[José Roca]

The following example illustrates the use of the Read method.

JScript

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function GetHeader()
{
   var fso, f;
   var ForReading = 1, ForWriting = 2;
   fso = new ActiveXObject("Scripting.FileSystemObject");
   f = fso.OpenTextFile("c:\\testfile.txt", ForWriting, true);
   f.Write("Header");
   f.Write("1234567890987654321");
   f.Close();
   f = fso.OpenTextFile("c:\\testfile.txt", ForReading);
   return(f.Read(6));
}


VBScript

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Function ReadTextFileTest
   Const ForReading = 1, ForWriting = 2, ForAppending = 8
   Dim fso, f
   Set fso = CreateObject("Scripting.FileSystemObject")
   Set f = fso.OpenTextFile("c:\testfile.txt", ForWriting, True)
   f.Write "Hello world!"
   f.Close
   Set f = fso.OpenTextFile("c:\testfile.txt", ForReading)
   ReadTextFileTest = f.Read(5)
End Function


PowerBASIC

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FUNCTION GetHeader () AS STRING

   LOCAL fso AS IFileSystem
   LOCAL f AS ITextStream
   LOCAL s AS STRING

   fso = NEWCOM ("Scripting.FileSystemObject")
   f = fso.OpenTextFile(UCODE$("c:\testfile.txt"), %IOMode_ForWriting, %VARIANT_TRUE)
   f.Write UCODE$("Header")
   f.Write(UCODE$("1234567890987654321"))
   f.Close
   f = fso.OpenTextFile(UCODE$("c:\testfile.txt"), %IOMode_ForReading)
   s = f.Read(6)
   f.Close
   FUNCTION = ACODE$(s)

END FUNCTION


Code Select Expand


FUNCTION ReadTextFileTest () AS STRING

   LOCAL fso AS IFileSystem
   LOCAL f AS ITextStream
   LOCAL s AS STRING

   fso = NEWCOM ("Scripting.FileSystemObject")
   f = fso.OpenTextFile(UCODE$("c:\testfile.txt"), %IOMode_ForWriting, %VARIANT_TRUE)
   f.Write UCODE$("Hello world!")
   f.Close
   f = fso.OpenTextFile(UCODE$("c:\testfile.txt"), %IOMode_ForReading)
   s = f.Read(5)
   f.Close
   FUNCTION = ACODE$(s)

END FUNCTION