40 lines
1.2 KiB
Plaintext
40 lines
1.2 KiB
Plaintext
// Testing Harbour long string handling with device output
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/* Harbour Project source code
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http://harbour-project.org/
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Donated to the public domain on 2001-03-08 by David G. Holm <dholm jsd-llc com>
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*/
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PROCEDURE Main()
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LOCAL cShort := "1234567890"
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LOCAL i, cLong, cBuffer, nHandle
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// Create an 80 KB string (Clipper is limited to 64 KB).
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cLong := cShort
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FOR i := 1 TO 13
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cLong += cLong
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NEXT
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// Write the long string to file longdev.prn
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SET PRINTER TO longdev
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SET DEVICE TO PRINTER
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DevOut( cLong )
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SET PRINTER OFF
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SET DEVICE TO SCREEN
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// Confirm the string length and that a copy is exactly identical.
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? "The length of the long string is", iif( Len( cLong ) == 80 * 1024, "correct", "wrong" )
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cBuffer := cLong
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? "The length of a copy of the long string is", iif( Len( cLong ) == 80 * 1024, "correct", "wrong" )
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? "The copy of the long string is", iif( cLong == cBuffer, "equal", "not equal" ), "to the long string"
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// Read the string back in and compare it to the original.
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nHandle := FOpen( "longdev.prn" )
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cBuffer := FReadStr( nHandle, 90000 )
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? "Original:", Len( cLong )
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? "From file:", Len( cBuffer )
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? "The strings are", iif( cLong == cBuffer, "equal", "not equal" )
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RETURN
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