Ok, I know, how to open, and close a file.

My task:
I need to open a file, go to byte X, and read a given numbers N of bytes. In 
other words, as an example:
Open the file,
Goto byte 442,
Read 34 bytes into a string,
Do something with the string,
Write it back to the file from byte 442,
close the file.

My Question:
Is there an easy way, to jump directly to a given position inside a file,
and is there an easy way to read a certain amount of bytes, into a string (or 
maybe even better an array)?

I am using VBS. And, I guess, due to compatibility issue, it's best to operate 
a BINARY file (not open it as a text file, since it is not a textfile in 
question)?

Thanks,

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