How can I create a binary file with consequent binary values in Bash? Like: hexdump testfile 0000000 0100 0302 0504 0706 0908 0b0a 0d0c 0f0e 0000010 1110 1312 1514 1716 1918 1b1a 1d1c 1f1e 0000020...

The hexdump command converts any file to hex values. But what if I have hex values and I want to reverse the process, is this possible?

I want to convert binary data to hexadecimal, just that, no fancy formatting and all. hexdump seems too clever, and it "overformats" for me. I want to take x bytes from the /dev/random and pass the...

I need to create an identifier token from a set of nested configuration values. The token can be part of a URL, so – to make processing easier – it should contain only hexadecimal digits (or someth...

What is the equivalent lldb command to the one shown below in GDB? (gdb) set {char}0x02ae4=0x12 The values are arbitrary examples. With GDB I was able to easily edit the byte code at a given hex ...

I have a column of data in a SQLite table being stored as a blob. Specifically, it is a serialized POJO (java object). Either way, I'd like to view it in the SQLite console as a hex dump, sort of ...

How do you convert a binary string to a Hexadecimal String and vice-versa in Elixir? There are a few posts on SO regarding this topic for other "main stream" languages. There's even an SO post tha...

I currently work on some binary data. In order to check and debug the data previously generated by my application I use hexdump, facing the obstacle of hexdump not appearing to be able to extract a...

All my code is under source control, so I'm 100% sure that the source code hasn't changed. But if I build a C# DLL two times their content is slightly different. I can reproduce the problem 100% of...

I need to get the hexa value of a file i have. On linux, this was Simply done with : hexdump -ve '1/1 "%.2x"' Filename However, on Windows, i couldn't found a good equivalent for hexdump. I'm ...

I have a file music.mp3. After using binwalk, I get the result: pexea12@DESMICE:~/Downloads$ binwalk music.mp3 DECIMAL HEXADECIMAL DESCRIPTION ----------------------------------------------------...

I am using Catfish to find files containing certain text. Some of the files found instead of plain text contain something which looks like a hex dump: 3c3f 7068 700a 0a66 756e 6374 696f 6e20 7573 ...

I have a binary file containing numeric values coded as signed or unsigned integers of different lengths (mostly 2-/4-byte). To process this data I read the desired section of the file as raw vecto...

I'm trying to output ASCII values corresponding to some binary data. I have successfully applied the hexdump utility to output hexdump and ASCII side-by-side as below: 00000120 20 20 20 20 3d 20 ...

I have a 64 byte hex stream of a frame- 000A959D6816000A959A651508004500002E000000004006AF160A010101C0A8000A11D71EC6000000000000000050000000AD840000000102030405CC904CE3 How can I import it into ...

In an effort to learn more about C, I have been playing with it for the past 2 days. I wanted to start looking at how C is structured during runtime so, I built a crappy program that asks a user fo...

I would like to output a hexdump result of a 8go file. Is it possible to do it piece by piece ? How to specify a limited numbers of lines (I have read the man page and it seems to correpond to -n l...

I have two img files. Origin (2GB) and Destination (4GB), They are the result of some sort of encoding which I'm trying to identify and revert. So in order to successfully revert encoding I have to...

In Linux bash shell, I use the following to convert a plain hexadecimal dump into binary $ echo "8cd59ef53c9aaa68311b73767e0975e7" | xxd -r -p > xxd_out.bin when I open the file in text viewe...

This question was out there for a while and I thought I should offer some bonus points if I can get it to work. What did I do… Recently at work, I wrote a parser that would convert a binary file...

I am playing with the Unix hexdump utility. My input file is UTF-8 encoded, containing a single character ñ, which is C3 B1 in hexadecimal UTF-8. hexdump test.txt 0000000 b1c3 0000002 Huh? This sh...

I have a vhf radio which sent a status message continuosly through the serial port, and I need the messages that I got to be stored as hex data in a text file I tried hexdump command as shown belo...

I want to give a big data file to less -s -M +Gg such that read current given data in less -s -M +Gg. While-loop example (see ntc2's answer) Less command explained here. Replacing the yes by a ...

I am trying to understand more about binary files. So I wrote a pointer *data to print out the function in the binary. The problem is that I cannot find the hex value that I printed out to stdio in...

How can I change the number of columns printed by hexdump from the default 16 (to 21)? Or where can I find the place to change the default format string used in hexdump in order to modify the numbe...