The tag has no wiki summary.

learn more… | top users | synonyms

2
votes
1answer
2k views

How to enter non-ascii characters using hex or octal codes in vi

I'm trying to write a golfing library for postscript. But it needs to be condensed itself. So I need a convenient way to type-in arbitrary bytes within mostly ascii text. I know this can easily be ...
1
vote
2answers
1k views

diff binary files of different sizes?

Is there a neat way to see the difference between two binary files? They are mostly the same, but some bytes are changed, and one of the files has sequences inserted in some places. Diffing the ...
0
votes
1answer
569 views

Cannot execute binary file on Linux server [closed]

I'm currently trying to run Knime (a Java-based program) on a Linux server, and every time I try to execute the file (knime) it gives me a "cannot execute binary file" error. I've posted the relevant ...
3
votes
2answers
156 views

Make ls distinguish scripts from binaries in output

Is it possible to make ls distinguish executable scripts from actual compiled binaries? The permissions are most often the same (+x), and with ls -F you get an asterisk suffix (*) for both, so it's ...
7
votes
2answers
304 views

Is it possible to keep a FreeBSD system up to date (base system + packages) using only binaries?

I have been using Debian and NetBSD systems for a long time, and I have got used to do binaries upgrades for the base system and for packages (using pkgin with NetBSD) Now the NetBSD kernel does not ...
4
votes
2answers
7k views

executing binary file: file not found

I know there are similar questions out there, but I haven't found a solution nor this exact case. The binary was built on Arch Linux using its GCC 4.7. The package works fine on the build system. The ...
5
votes
1answer
2k views

Are there alternatives for `dd`?

What other tools should I use to read and write files with truncation, seeking and skipping. dd's command line options seem inconvenient and foreign and I don't like choosing between slow, but precise ...
4
votes
3answers
998 views

Mystery of binary files

This is about files straight from the compiler, say g++, and the -o (outfile) flag. If they are binary, shouldn't they just be a bunch of 0's and 1's? When you cat them, you get unintelligible ...
0
votes
1answer
365 views

Is there a way to use/recompile libgio-2.0 on machine with libc-2.5?

I have a program (JavaFX 2, namely), and one of its binaries (libglass.so) requires libgio-2.0.so.0. The problem is, the system, on which I need to run the app, is quite old and mostly out of my ...
2
votes
3answers
1k views

Pasting binary data into a Unicode terminal

I need to be able to paste binary data into a terminal. For some reason, every byte outside the ASCII range (0x80-0xff) is pasted as the same three byte sequence 0xef 0xbf 0xbd. For example: $ echo ...
3
votes
2answers
1k views

how to find offset of one binary file inside another?

I have two binary files. One of few hundreds kilos and other of few gigabytes. I want to know whether the whole, smaller, file is contained within the larger one and if so then what is the offset from ...
4
votes
1answer
162 views

Linux from Binaries

I thought Linux from Scratch was a pretty cool tutorial, but I felt having to wait for everything to compile was a bit nerve-wreaking. Is there a tutorial similar to LFS except pre-compiled binaries ...
1
vote
3answers
147 views

Is there a way to determine when a binary was compiled or installed?

Is there a way to determine when a binary was compiled or installed? For example, I have a binary mdrun_d, and I would like to know when this particular binary was compiled or installed. The system ...
1
vote
1answer
509 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
5k 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 ...
4
votes
2answers
993 views

Is there a way to find files containing only non-printing characters?

I've got a program that's behaving badly and has created a number of files with only a few non-printing characters. If I were to cat the files, I see nothing (since they are non-printing chars). ...
2
votes
1answer
844 views

skype not found on Oneiric 64, but it is right there [duplicate]

Possible Duplicate: Can't execute some binaries in chroot environment (zsh: Not found) I have something weird here. Cannot find a file although it is right there. $ skype command not ...
3
votes
3answers
652 views

Is it a script or is it a binary?

At the end, it looks like it's just a regular sh script: [USER@MACHINE ~/Desktop/D] head -2 truecrypt-7.1-setup-x86 #!/bin/sh CHECKSUM=163123652 but @the scripts end: [USER@MACHINE ~/Desktop/D] ...
5
votes
1answer
2k views

How to follow (a la “tail -f”) a binary file from the beginning?

Is it possible to follow a binary file from the beginning, a la tail -f? This is useful in some cases, for example if I'm scping a file to a remote server, and at the same time I want to feed it to ...
-1
votes
0answers
101 views

what is the difference between “/sbin/nologin” and “/bin/false”? [duplicate]

Possible Duplicate: What's the difference between /sbin/nologin and /bin/false They are not having the same size. In what do they differ?
8
votes
2answers
7k views

How can I handle raw binary data in a bash pipe?

I have a bash function that takes a file as a parameter, verifies the file exists, then writes anything coming off stdin to the file. The naive solution works fine for text, but I am having problems ...
3
votes
0answers
680 views

In emacs, is there a way to Hex edit/view a buffer without losing the undo info?

When I use hexl-mode in emacs, it discards the buffer's undo info. Is there another way to hex-edit the buffer and yet retain the undo info? If there is no alternative hex-editor, is there a ...
2
votes
1answer
236 views

Modifying a set of binary files

I have several binary files with the character 0x04 in them, and I'd like to add an escape \ character before each. Is there a script I can use to do this without needing to manually edit each one?
7
votes
2answers
467 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?
1
vote
1answer
965 views

remove carriage return character from large binary file

I have a large binary file ( nearly binary file ! ) which has many \r\n in it [ gets Generated in windows env and doesnt have controle over generating application ]. I want to remove \r from this ...
4
votes
4answers
3k views

Ubuntu vs. CentOS and Binary Compatibility

I am trying to install software that is built on CentOS 4.7. Do you know if it will also run in Ubuntu? I read CentOS is 100% binary compatible. Is the same true for the most recent version of Ubuntu? ...
6
votes
2answers
679 views

What is produced after using cat on an image?

Let's say one creates a file like so: touch myFile You enter some text in it with vim or whatever, and then use cat myFile to spit the contents out into the terminal. Now, what happens when I use ...
3
votes
1answer
423 views

Does research unix have any binary editor?

I cannot find any binary editor in v7 unix by reading volumn 1 of the manual. Is there any?
13
votes
5answers
16k views

Shell: How to read the bytes of a binary file and print as hexadecimal?

In shell, how can I read the bytes of a binary file I have, and print the output as hexadecimal numbers?
8
votes
3answers
16k views

How to use bash script to read binary file content?

I want to read a character and then a fixed length of string (the string is not null terminated in the file, and its length is given by the preceding character). How can I do this in a bash script? ...
117
votes
4answers
18k views

/usr/bin vs /usr/local/bin on Linux

Why are there so many places to put a binary in Linux? There are atleast these five: /bin/ /sbin/ /usr/bin/ /usr/local/bin/ /usr/local/sbin/ And on my office box, I do not have write permissions ...
14
votes
3answers
16k views

How to find binary executables within a directory

How do I list all binary executable files recursively within a directory? I use find command like this: find /mydir/mysubdir -executable -type f All executable files are listed (excluding ...