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4
votes
3answers
901 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
349 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
951 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
155 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
140 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
432 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
4k 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
871 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
806 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
597 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] ...
4
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
100 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
6k 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
619 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
218 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?
5
votes
1answer
426 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
865 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
2k 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? ...
5
votes
2answers
631 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
391 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?
12
votes
5answers
14k 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
14k 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? ...
110
votes
4answers
16k 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 ...
13
votes
3answers
14k 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 ...