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2
votes
1answer
29 views

Can't use `od` command with directories

I'm trying to use the od command in a directory in OSX but it doesn't proceed and it results in the error message: od: .: Is a directory Could you please help me with it or any equivalent command? ...
1
vote
1answer
32 views

Interpreting octal dump without options

$ echo "hello" | od 0000000 062550 066154 005157 0000006 I know that the first column represents the byte offset. But I don't see how the other numbers are formed. According to man the above should ...
1
vote
0answers
26 views

OpenWRT missing OD (octal dump)

I have a bash function using od command. Now I'm trying to run in on OpenWRT and see that in has not od. Also can't find it using install from opkg, because I can't find it. Is there a possibility to ...
2
votes
1answer
139 views

Understanding `od -c` output

I've got a text file that I'm trying to debug an encoding issue in. I ran the file through od -c and got the following output: 3457540 , " t e x t " : " 302 241 Q u 303 251 ...
2
votes
1answer
31 views

understanding od -a option

In Linux, the --type a option in od is explained as --type=       Select the format in which to output the file data … a      named ...
0
votes
1answer
61 views

Why is od calculating decimal values wrong?

This question is related to the answer from enzotib to the question: How could I use Bash to find 2 bytes in a binary file, increase their values, and replace? This converts the two bytes into its ...
4
votes
1answer
164 views

od emulation for directories

I was wondering why od(1) used to work in UNIX but doesn't work in GNU/Linux. There is a nice answer on serverfault. The next question is, are you aware of any tools that can emulate od behavior to ...
1
vote
1answer
570 views

How to change the default line length for od and hexdump

Is there any way to change the default line length for the od and hexdump commands? Can't see anything apropriate in the man pages.
3
votes
2answers
6k views

How to interpret an octal or hex dump of a binary file?

The binary file has strings and some numbers, If I do od -c filename or strings filename, I can see the strings properly. But, what about numbers? They are in some weird format. The text after doing ...
7
votes
2answers
495 views

Can hd and od replace each other?

hd and od are both dump viewers of binary content. Can hd be used wherever od is and vice versa?
19
votes
2answers
8k views

Output from ls has newlines but displays on a single line. Why?

I think I may be overlooking a relatively fundamental point regarding shell. Output from the ls command by default separates output with newlines, but the shell displays the output on a single line. ...
4
votes
7answers
5k views

get numeric ASCII value for a character

I'm trying to write a shell script which asks for an ASCII character in the range A-Z or a-z and returns its equivalent numerical value. For example, the output might look like the following: ...
3
votes
2answers
596 views

How is the octal 2-byte output calculated from od

I'm struggling to work out what the octal 2-byte output from the od command is. I understand the octal output (-b flag) but the octal 2-byte is a mystery to me (-o) Can someone shed some light on how ...