binaryencode question

jbv at jbv at
Mon Dec 7 07:34:08 EST 2020

Never mind folks,

I found another (and easier solution) : I'm using bytetonum() to
convert the binary data from the file, and then, after processing,
numtobyte() to write the data as binary in the file.

Le 2020-12-07 04:53, jbv via use-livecode a écrit :
> Hi list,
> I have a script that opens a binary file (actually a .wav) file,
> converts binary data to hex, do some processing on parts of the
> data, and then saves the result as a new .wav file.
> I managed to convert the binary data to hex and do the processing,
> but now I'm stuck trying to convert hex back to binary using the
> binaryencode function, to get a playable .wav file.
> Here's the code that works so far :
>    put "/sounds/my.wav" into path
>    open file path for binary read
>    read from file path at 45 for 200
>    close file path
>    put it into mybin
>    put "" into tHex
>    put 1 into tCount
>    repeat until tCount=155
>       put byte tCount of mybin into theByte
>       put binarydecode("H*", theByte, tHex) into theNumConversions
>       put tHex after theHex
>       add 1 to tCount
>    end repeat
> After processing the content of theHex, I need to save it as a .wav 
> file.
> I am aware of all the requirements for a .wav header, my only problem 
> is
> to convert the whole thing to binary before saving.
> Can someone help ?
> Thanks in advance.
> jbv
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