'How to print only the hex values from hexdump without the line numbers or the ASCII table? [duplicate]

following Convert decimal to hexadecimal in UNIX shell script

I am trying to print only the hex values from hexdump, i.e. don't print the lines numbers and the ASCII table.

But the following command line doesn't print anything:

hexdump -n 50 -Cs 10 file.bin |  awk '{for(i=NF-17; i>2; --i) print $i}'
linuxbashshellhexdump


Solution 1:[1]

Using xxd is better for this job:

xxd -p -l 50 -seek 10 file.bin

From man xxd:

xxd - make a hexdump or do the reverse.

    -p | -ps | -postscript | -plain
        output in postscript continuous hexdump style. Also known as plain hexdump style.

    -l len | -len len
        stop after writing <len> octets.
 
    -seek offset
        When used after -r: revert with <offset> added to file positions found in hexdump.

Solution 2:[2]

As an alternative, consider using xxd -p file.bin.

Solution 3:[3]

First of all, remove -C which is emitting the ascii information.

Then you could drop the offset with

hexdump -n 50 -s 10 file.bin | cut -c 9-

Sources

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Source: Stack Overflow

Solution Source
Solution 1
Solution 2 twalberg
Solution 3 glenn jackman

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