Sponsored Content
Top Forums Shell Programming and Scripting Randomly selecting sequences and generating specific output files Post 302786081 by Don Cragun on Tuesday 26th of March 2013 07:33:19 PM
Old 03-26-2013
In you output samples, the lines in each set of output files are all in the order in which they appeared in the input files. Is that a requirement for your output, or is it just a coincidence in the random numbers used for your example?

With truly random numbers, the output could contain more than one copy of some output lines. Is it a requirement that the output lines be unique?

Last edited by Don Cragun; 03-26-2013 at 08:35 PM.. Reason: added another question
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Generating files of specific size

I've been working on getting a script to take size, dir name and file name variables from an input file and creating the same dir structure along with the file of specific size. An example of the input file: size/dirname/filename 2100/JAN_06/12345ABC.TCC 2354/FEB_06/24564XYZ.NOS... (2 Replies)
Discussion started by: nxd25
2 Replies

2. UNIX for Dummies Questions & Answers

randomly renaming files

I have a directory of files that look like filename 001.ext, filename 002.ext, etc. I'd like to rename the files with unique random numbered names, so that the original filenames are stripped and the files are given a new, random number name. I'm not super new to UNIX, but I don't often use it for... (2 Replies)
Discussion started by: platz
2 Replies

3. Shell Programming and Scripting

PERL - Selecting specific files based on 'date stamp' values

Hi, I've list of files in a directory, which have date stamp value in their names. ex: abc_data_20071102.csv, abc_data_20091221.csv, abc_data_20100110.csv, abc_data_20100222.csv, abc_data_20080620.csv,... etc., I need to select and process only files, within the given date... (4 Replies)
Discussion started by: ganapati
4 Replies

4. Shell Programming and Scripting

Trimming sequences based on specific pattern

My files look like this And I need to cut the sequences at the last "A" found in the following 'pattern' -highlighted for easier identification, the pattern is the actual file is not highlighted. The expected result should look like this Thus, all the sequences would end with AGCCCTA... (2 Replies)
Discussion started by: Xterra
2 Replies

5. Shell Programming and Scripting

Removing specific sequences from file

My file looks like this But I need to remove the entry with the identifier >Reference1 along with the entire sequence. Thus, I will end up having the following file Thanks in advance! (2 Replies)
Discussion started by: Xterra
2 Replies

6. UNIX for Dummies Questions & Answers

Selecting specific line using awk

Hi, I would like to get the specific line from the file taking specific coloumn as reference. Thanks and Regards (1 Reply)
Discussion started by: kkarthik_kaja
1 Replies

7. Shell Programming and Scripting

Selecting sequences based on scores

I have two files with thousands of sequences of different lengths. infile1 contains the actual sequences and infile2 the scores for each A, T, G and C in infile1. Something like this: infile1: >HZVJKYI01ECH5R TTGATGTGCCAGCTGCCGTTGGTGTGCCAA >HZVJKYI01AQWJ8 GGATATGATGATGAACTGGTTTGGCACACC... (4 Replies)
Discussion started by: Xterra
4 Replies

8. Shell Programming and Scripting

Help with selecting files from "diff" output

I have two directories Dir_A and Dir_A_Arc. Need help with a shell script. The shell script needs to take the path to these two directories as parameters $1 and $2. The script needs to check if any files exist in these directories and if either of the directories are empty then exit... (5 Replies)
Discussion started by: gaurav99
5 Replies

9. UNIX for Beginners Questions & Answers

Split Command Generating Incomplete Output Files

Hello All, May i please know how do i ensure my split command would NOT generate incomplete output files like below, the last lines in each file is missing some columns or last line is complete. split -b 50GB File File_ File_aa |551|70210203|xxxxxxx|12/22/2010 20:44:58|11/01/2010... (1 Reply)
Discussion started by: Ariean
1 Replies

10. UNIX for Beginners Questions & Answers

How to add specific bases at the beginning and ending of all the fasta sequences?

Hi, I have to add 7 bases of specific nucleotide at the beginning and ending of all the fasta sequences of a file. For example, I have a multi fasta file namely test.fasta as given below test.fasta >TalAA18_Xoo_CIAT_NZ_CP033194.1:_2936369-2939570:+1... (1 Reply)
Discussion started by: dineshkumarsrk
1 Replies
UNSORT(1)						    BSD General Commands Manual 						 UNSORT(1)

NAME
unsort -- reorder lines in a file in semirandom ways SYNOPSIS
unsort [-hvrpncmMsz0l] [--help] [--version] [--random] [--heuristic] [--identity] [--concatenate] [--merge] [--merge-random] [--seed integer] [--zero-terminated] [--null] [--linefeed] [file ...] DESCRIPTION
unsort prints the lines in the input files (or standard input) in semi-random order. Available algorithms are a Mersenne Twister based PRNG and a heuristic algorithm that aims to create a subjective even distribution. Command line options -h, --help Display a concise summary of the available options and argument syntax. -v, --version Display version and copyright information. -r, --random Use the Mersenne Twister based randomization algorithm. -p, --heuristic Use the heuristic "shuffling" algorithm which permutes the lines in such a way that they're spread more or less evenly in the output. This is the default. -n, --identity Do not reorder lines in the input. Useful if you just want to merge the files. -r, --concatenate Concatenate all input files then apply the shuffling algorithm to the result as a whole. -m, --merge Shuffle all input files seperately then merge the result. Equal-sized files will be merged in the order in which they appear on the command line. -M, --merge-random Shuffle all input files seperately then merge the result. Equal-sized files will be merged in random order. This is the default. -s, --seed integer Use this integer as a seed, instead of random data from the environment. -z, --zero-terminated, -0, --null Lines are terminated with a character. -l, --linefeed Lines are terminated with a character. This is the default. SEE ALSO
sort(1) Free Software June 1, 2019 Free Software
All times are GMT -4. The time now is 05:27 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy