Questions tagged [xxd]
The xxd tag has no usage guidance.
24
questions
1
vote
0
answers
237
views
Prevent xxd from adding newline to the output
On unix if I do
printf "aY.S'Hk([;jYJ}8eJ5)Wsd58/x}s]Pne3V-6:t@" | xxd -p -c 256
I get
61592e5327486b285b3b6a594a7d38654a352957736435382f787d735d50
6e6533562d363a7440
However on mac os (...
- 111
2
votes
2
answers
967
views
How to format hexdump as xxd, possible for xxd -revert?
I wish to dump the raw content of a SD card into a file for inspection. Most parts of it are zeroes. Learnt from this SuperUser answer I could use pv to show the progress of od and hexdump. Both ETA ...
- 275
9
votes
2
answers
2k
views
How to print zeros and ones of a file
Long story short: how to print in a terminal the binary digits constituting a file e.g. a library .so or a simple text .txt file
PC hardware works with electrical signal (basically it's an ON/OFF ...
- 2,947
2
votes
1
answer
268
views
How to modify a hex string to LE-format before passing it to `xxd -r` to view its binary contents?
The hex string 0068732f6e69622f represents the ASCII string /bin/sh, when it's stored in memory in LE-format.
Is there any Linux utiltity that will take the hex string and reverse it bytes (...
- 3,659
0
votes
1
answer
500
views
How to `watch` output of `xxd` or `hexdump` command?
My tool is wtiting binary chars to stdout and I can view it in hex with
# ./md /dev/ttyUSB0 | xxd
0000000: 6f03 1100 0003 0084 8400 0000 0900 0a00 o...............
0000010: 0008 0004 0000 0000 2c00 ...
- 2,835
-6
votes
1
answer
345
views
Just started learning Kali Linux 3 weeks ago need help with maybe a hex dump?
For an assignment I was given this problem:
What has 8 faces and cannot see?
followed by this character set:
...
- 5
1
vote
1
answer
281
views
Patch Multiple Strings in a Binary file
I have a binary file type (many instances of these files) where I would like to replace the string "DC-GX850" with "DMC-GX95". Fortunately the two strings are of equal length. The ...
- 11
0
votes
2
answers
293
views
Parse text file with addresses, byte values, and comments to binary file
I'm attempting to start with a file in the following form:
00: 42 ; byte 0 is 0x42 / d
01: 52 ; byte 1 is 0x52 / r
02: 62 ; byte 2 is 0x62 / D
03: 72 ; byte 3 is 0x72 / R
07: 1f ; bytes 03..0e are ...
- 123
7
votes
2
answers
8k
views
What is the difference between the od, hd, hexdump and xxd commands?
What is the difference between the od, hd, hexdump and xxd commands ?
They are all commands for dumping files and they can all dump it in various formats such as hexadecimal, octal or binary. Why ...
- 265
2
votes
1
answer
2k
views
Make xxd display the the byte offset at the top column?
So Im using emacs which has a stupendous hexl-mode to view the byte offset in a file right over the hex values similar to:
87654321 0011 2233 4455 6677 8899 aabb ccdd eeff 0123456789abcdeff ...
- 148
2
votes
2
answers
6k
views
xxd with 64 bit addresses
I find xxd to be nice and convenient for simple manipulation of binary data in the terminal. However it has a limitation in that all addresses outputted by the program is limited to 32 bits. E.g.
...
- 186
4
votes
1
answer
9k
views
Hex dump only the beginning and the end of a file with xxd [duplicate]
I am looking for a command to display three .png files using xxd, displaying the first two and last two lines of the hexadecimal for each.
I have used the command below to display one file at a time ...
- 121
1
vote
1
answer
2k
views
Outputting the binary of a file to a text editor
I have read that you can use the terminal command xxd -b to see the binary of a file. I used this command and it does show the binary but has non-binary listed to the left as line numbers and non-...
- 11
2
votes
2
answers
20k
views
Unix: Using the xxd Command on a ppm File
I am fairly new to unix and am having trouble understanding what some of the commands do.For example, when I use xxd on a ppm file (i.e. xxd image.ppm) I get an output like this:
00000000: 5036 0a31 ...
- 21
2
votes
1
answer
2k
views
How to make "xxd" place spaces between the hex values?
I am using the following command to read the output of one terminal from another terminal:
xxd -p /dev/pts/0
But there is no spaces between the hex values, for example I get something like this:
...
- 123
2
votes
1
answer
892
views
Make xxd break lines
For showing the content of a file with both formatted text and binary data inside in another post on SE I couldn't decide on wheather to show the ASCII rendered output or a the xxd output.
As a ...
- 23
2
votes
1
answer
2k
views
Why does xxd not show the byte order mark?
I have a Java class which the compiler refuses to compile due to \ufeff at the start of the file. I can view the fact that the BOM is present by vim -b file.java, but neither xxd nor hexdump show the ...
- 374
7
votes
2
answers
13k
views
Any way to send just "\n" in Telnet?
I'm wondering if there's any way to get telnet to send only a \n, not a \r\n.
For example, if one process is listening on a port like this, to print the bytes of any traffic received:
nc -l 1234 | ...
- 81
2
votes
2
answers
1k
views
“xxd -p” alternative for HP-UX - how to get the same results with “xd”?
I have a command which is very handy at work. It searches for a certain STRING inside some hex raw files with FILENAME. The command which I always used in Linux systems is:
find . -name '**FILENAME*...
- 33
0
votes
1
answer
175
views
Hex has unknown character / in the output
I need to create a Rc2Key variable and then convert this to hexadecimal. I have done this with two commands. The Rc2Key variable has to be 16 characters long, so in my test module I used "...
- 17
2
votes
1
answer
444
views
Unified diff-alikes with xxd
patch(1) on FreeBSD does not support null bytes. With GNU diff/patch I could handle multiple files containing null bytes with one patch, but xxd (which handles null bytes) does not seem to support ...
- 1,413
24
votes
2
answers
53k
views
xxd output without line breaks
Can I tell xxd to not print any line breaks in its output and have my dump as one continuous line?
[user@localhost] : ~ $ echo -n "this is a long line and xxd is going to take multiple lines to print ...
- 3,525
4
votes
3
answers
5k
views
Split binary data of fixed byte offset by byte position?
I have binary data which I review by xxd -ps in hex format.
I notice that the byte distance is 48300 (=805*60) bytes between two headers where the separator is fafafafa.
There is the beginning of ...
- 6,618
49
votes
6
answers
42k
views
How to dump a binary file as a C/C++ string literal?
I have a binary file I would like to include in my C source code (temporarily, for testing purposes) so I would like to obtain the file contents as a C string, something like this:
\x01\x02\x03\x04
...
- 6,188