29 lines
1.1 KiB
Plaintext
29 lines
1.1 KiB
Plaintext
module String_length {
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A$=format$("J\u0332o\u0332s\u0332e\u0301\u0332")
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Print Len(A$) = 9 ' true Utf-16LE
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Print Len.Disp(A$) = 4 \\ display length
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Buffer Clear Mem as Byte*100
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\\ Write at memory at offset 0 or address Mem(0)
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Return Mem, 0:=A$
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Print Eval$(Mem, 0, 18)
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For i=0 to 17 step 2
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\\ print hex value and character
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Hex Eval(Mem, i as integer), ChrCode$(Eval(Mem, i as integer))
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Next i
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Document B$=A$
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\\ encode to utf-8 with BOM (3 bytes 0xEF,0xBB,0xBF)
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Save.Doc B$, "Checklen.doc", 2
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Print Filelen("Checklen.doc")=17
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\\ So length is 14 bytes + 3 the BOM
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Mem=Buffer("Checklen.doc")
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Print len(Mem)=17 // len works for buffers too - unit byte
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// version 12 can handle strings without suffix $
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C=eval$(mem, 3, 14) // from 4th byte get 14 bytes in a string
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Print len(C)*2=14 ' bytes // len()) for strings return double type of words (can return 0.5)
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C=string$(C as utf8dec) ' decode bytes from utf8 to utf16LE
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Print len(C)=9, C=A$, Len.Disp(C)=4
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Print C
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Report 2, C // proportional print on console - for text center justified rendering (2 - center)
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}
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String_length
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