xxd

Create a hexadecimal representation (hexdump) from a binary file, or vice-versa.

More information.

• Generate a hexdump from a binary file and display the output:

xxd {input_file}

• Generate a hexdump from a binary file and save it as a text file:

xxd {input_file} {output_file}

• Display a more compact output, replacing consecutive zeros (if any) with a star:

xxd -a {input_file}

• Display the output with 10 columns of one octet (byte) each:

xxd -c {10} {input_file}

• Display output only up to a length of 32 bytes:

xxd -l {32} {input_file}

• Display the output in plain mode, without any gaps between the columns:

xxd -p {input_file}

• Revert a plaintext hexdump back into binary, and save it as a binary file:

xxd -r -p {input_file} {output_file}

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