using bash: write bit representation of integer to file

Question

I have a file with binary data and I need to replace a few bytes in a certain position. I\'ve come up with the following to direct bash to the offset and show me that it fou

Answer 1

You can use echo to emit specific bytes using hex or octal. For example:

echo -n -e \\x30 

will print ascii 0 (0x30)

(-n remove trailing newline)