Sponsored Content
Top Forums Shell Programming and Scripting Extract sequences of bytes from binary for differents blocks Post 302843538 by wisecracker on Tuesday 13th of August 2013 05:17:05 PM
Old 08-13-2013
Python 3.x.x can easily handle binary and is fast at manipulating huge files.
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Remove first N bytes and last N bytes from a binary file on AIX.

Hi all, Does anybody know or guide me on how to remove the first N bytes and the last N bytes from a binary file? Is there any AWK or SED or any command that I can use to achieve this? Your help is greatly appreciated!! Best Regards, Naveen. (1 Reply)
Discussion started by: naveendronavall
1 Replies

2. UNIX for Advanced & Expert Users

Deal with binary sequences

Hello, I have come across the necessity for me to deal with binary sequences and I had a few questions. 1- Does any UNIX scripting language provide any tool or command for converting text data to binary sequences? Example of binary sequence: "0x97 0x93 0x85 0x40 0xd5 0xd6 0xd7" 2- If I want... (2 Replies)
Discussion started by: Indalecio
2 Replies

3. Shell Programming and Scripting

Extract sequence blocks

Hi, I have an one-line file consisting of a sequence of 660 letters. I would like to extract 9-letter blocks iteratively: ASDFGHJKLQWERTYUIOPZXCVBNM first block: ASDFGHJKL 1nd block: SDFGHJKLQ What I have so far only gives me the first block, can anyone please explain why? cat... (7 Replies)
Discussion started by: solli
7 Replies

4. Shell Programming and Scripting

extract blocks of text from a file

Hi, This is part of a large text file I need to separate out. I'd like some help to build a shell script that will extract the text between sets of dashed lines, write that to a new file using the whole or part of the first text string as the new file name, then move on to the next one and... (7 Replies)
Discussion started by: cajunfries
7 Replies

5. Linux

Why does ext3 allocate 8 blocks for files that are few bytes long

The title is clear: why does ext3 allocate 8 blocks for files that are few bytes long? If I create a file named "test", put a few chars in it, and then I run: stat test I get that "Blocks: 8" I searched in the web and found that ext does that, it allocates 8 blocks even if It doesn't need... (4 Replies)
Discussion started by: Tavo
4 Replies

6. UNIX for Dummies Questions & Answers

X bytes of 0, Y bytes of random data, Z bytes of 5, T bytes of 1. ??

Hello guys. I really hope someone will help me with this one.. So, I have to write this script who: - creates a file home/student/vmdisk of 10 mb - formats that file to ext3 - mounts that partition to /mnt/partition - creates a file /mnt/partition/data. In this file, there will... (1 Reply)
Discussion started by: razolo13
1 Replies

7. Shell Programming and Scripting

Extract sequences based on the list

Hi, I have a file with more than 28000 records and it looks like below.. >mm10_refflat_ABCD range=chr1:1234567-2345678 tgtgcacactacacatgactagtacatgactagac....so on >mm10_refflat_BCD range=chr1:3234567-4545678... tgtgcacactacacatgactagtatgtgcacactacacatgactagta . . . . . so on ... (2 Replies)
Discussion started by: Diya123
2 Replies

8. Shell Programming and Scripting

Extract length wise sequences from fastq file

I have a fastq file from small RNA sequencing with sequence lengths between 15 - 30. I wanted to filter sequence lengths between 21-25 and write to another fastq file. how can i do that? (4 Replies)
Discussion started by: empyrean
4 Replies

9. Shell Programming and Scripting

Extract the part of sequences from a file

I have a text file, input.fasta contains some protein sequences. input.fasta is shown below. >P02649 MKVLWAALLVTFLAGCQAKVEQAVETEPEPELRQQTEWQSGQRWELALGRFWDYLRWVQT LSEQVQEELLSSQVTQELRALMDETMKELKAYKSELEEQLTPVAEETRARLSKELQAAQA RLGADMEDVCGRLVQYRGEVQAMLGQSTEELRVRLASHLRKLRKRLLRDADDLQKRLAVY... (8 Replies)
Discussion started by: rahim42
8 Replies

10. Shell Programming and Scripting

Blocks of text in a file - extract when matches...

I sat down yesterday to write this script and have just realised that my methodology is broken........ In essense I have..... ----------------------------------------------------------------- (This line really is in the file) Service ID: 12345 ... (7 Replies)
Discussion started by: Bashingaway
7 Replies
ERIC4_RE(1)						      General Commands Manual						       ERIC4_RE(1)

NAME
eric4_re - a GUI editor for Python style regular expressions SYNOPSIS
eric4_re [options] DESCRIPTION
This manual page documents briefly the eric4_re command. This manual page was written for the Debian distribution because the original program does not have a manual page. eric4_re is a graphical editor and debugger for Python style regular expressions (using the Python re module). It has support for all of Python's own syntax extensions like named groups. This program is a part of the eric4 IDE but can be used as a standalone application as well. OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. For a complete description, see the Info files. -h, --help Show summary of options. -v, --version Show version of program. SEE ALSO
eric4(1), eric4_api(1), eric4_compare(1), eric4_configure(1), eric4_diff(1), eric4_doc(1), eric4_editor(1), eric4_helpviewer(1), eric4_iconeditor(1), eric4_plugininstall(1), eric4_pluginrepository(1), eric4_pluginuninstall(1), eric4_qregexp(1), eric4_sqlbrowser(1), eric4_tray(1), eric4_trpreviewer(1), eric4_uipreviewer(1), eric4_unittest(1), eric4_webbrowser(1) AUTHOR
This manual page was written by Torsten Marek <shlomme@gmx.net>, for the Debian project (but may be used by others). January 31, 2010 ERIC4_RE(1)
All times are GMT -4. The time now is 06:34 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy