Sponsored Content
Top Forums Shell Programming and Scripting How to select lines randomly without replacement in UNIX? Post 302981465 by sajmar on Tuesday 13th of September 2016 12:38:38 PM
Old 09-13-2016
Say, I have this small input file:
Code:
1
2
3
4
5
6
7
8
9
10

My desired output is to select three numbers but different each time.
Code:
2
4
9

Code:
5
8
1

 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

how to select a value randomly

on my desktop i am using the kde rotating desktop image option. this rotates images randomly every half hour. now, i would like to write an html file which will have an inline frame with some text, maybe system messages, or my friends live journal thati read alot, or unix.com! however, i dont want... (1 Reply)
Discussion started by: norsk hedensk
1 Replies

2. UNIX for Dummies Questions & Answers

How to select lines in unix matches a pattern at a particular position

I have huge file. I want to copy the lines which have first character as 2 or 7, and also which has fist two characters as 90. I need only these records from file. How I can acheive this. Can somebody help me..... (2 Replies)
Discussion started by: cs_banda
2 Replies

3. Shell Programming and Scripting

Select lines in which column have value greater than some percent of total file lines

i have a file in following format 1 32 3 4 6 4 4 45 1 45 4 61 54 66 4 5 65 51 56 65 1 12 32 85 now here the total number of lines are 8(they vary each time) Now i want to select only those lines in which the values... (6 Replies)
Discussion started by: vaibhavkorde
6 Replies

4. Shell Programming and Scripting

How to select/delete some lines in shell?

I need to delete half(approx) the file or select half the file by existence of some character My file looks like 1 2 3 4 . . . 50 . . 100I need to select only 50 to rest of the file or needs to delete the file upto 50. Please help me out.. (6 Replies)
Discussion started by: SujeethP
6 Replies

5. Shell Programming and Scripting

select the lines in between some time span

Hi Everyone ! i want to take all the lines from a file that falls in between some date... and every line in a file has a time stamp.. ---some text---- 01/Jan/2010 ---- some other text ---- ---some text---- 10/Jan/2010 ---- some other text ---- ---some text---- 20/Dec/2010 ---- some... (3 Replies)
Discussion started by: me_newbie
3 Replies

6. Shell Programming and Scripting

Get 20% of lines in File randomly

Hello, This is my code: nb_lignes=`wc -l $1 | cut -d " " -f1` for i in $(seq $nb_lignes) do m=`head $1 -n $i | tail -1` //command done Please how can i change it to get Get 20% of lines in File randomly to apply "command" on each line ? 20% or 40% or 60 % (it's a parameter) Thank you. (15 Replies)
Discussion started by: chercheur857
15 Replies

7. UNIX for Dummies Questions & Answers

How to randomly select lines from a text file

I have a text file with 1000 lines, I want to randomly select 200 lines from it and print them as output. How do I go about doing that? Thanks! (7 Replies)
Discussion started by: evelibertine
7 Replies

8. Shell Programming and Scripting

Select lines where at least x columns above threshold value

I have a file with 20 columns. I'd like to retain only the lines for which the values in at least x columns, looking only at columns 6-20, are above a threshold. For example, I'd like to retain only the lines in the file below that have at least 8 columns (again, looking only at columns 6-20)... (3 Replies)
Discussion started by: pathunkathunk
3 Replies

9. Shell Programming and Scripting

Concatenate select lines from multiple files

I have about 6000 files of the following format (three simplified examples shown; actual files have variable numbers of columns, but the same number of lines). I would like to concatenate the ID (*Loc*) and data lines, but not the others, as shown below. The result would be one large file (or... (3 Replies)
Discussion started by: pathunkathunk
3 Replies

10. Shell Programming and Scripting

Randomly create time in UNIX

Hey, How can i create randomly create time N times. Suppose i want to create data for a particualr date 5 times... Mon Jan 19 11:42:50 Mon Jan 19 19:16:40 Mon Jan 19 12:12:33 Mon Jan 19 14:26:27 Mon Jan 19 12:29:53 Mon Jan 19 13:30:31 I want the script to create N times randome... (2 Replies)
Discussion started by: jaituteja
2 Replies
Locale::Codes::LangExt(3pm)				 Perl Programmers Reference Guide			       Locale::Codes::LangExt(3pm)

NAME
Locale::Codes::LangExt - standard codes for language extension identification SYNOPSIS
use Locale::Codes::LangExt; $lext = code2langext('acm'); # $lext gets 'Mesopotamian Arabic' $code = langext2code('Mesopotamian Arabic'); # $code gets 'acm' @codes = all_langext_codes(); @names = all_langext_names(); DESCRIPTION
The "Locale::Codes::LangExt" module provides access to standard codes used for identifying language extensions, such as those as defined in the IANA language registry. Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default IANA language registry codes will be used. SUPPORTED CODE SETS
There are several different code sets you can use for identifying language extensions. A code set may be specified using either a name, or a constant that is automatically exported by this module. For example, the two are equivalent: $lext = code2langext('acm','alpha'); $lext = code2langext('acm',LOCALE_LANGEXT_ALPHA); The codesets currently supported are: alpha This is the set of three-letter (lowercase) codes from the IANA language registry, such as 'acm' for Mesopotamian Arabic. This is the default code set. ROUTINES
code2langext ( CODE [,CODESET] ) langext2code ( NAME [,CODESET] ) langext_code2code ( CODE ,CODESET ,CODESET2 ) all_langext_codes ( [CODESET] ) all_langext_names ( [CODESET] ) Locale::Codes::LangExt::rename_langext ( CODE ,NEW_NAME [,CODESET] ) Locale::Codes::LangExt::add_langext ( CODE ,NAME [,CODESET] ) Locale::Codes::LangExt::delete_langext ( CODE [,CODESET] ) Locale::Codes::LangExt::add_langext_alias ( NAME ,NEW_NAME ) Locale::Codes::LangExt::delete_langext_alias ( NAME ) Locale::Codes::LangExt::rename_langext_code ( CODE ,NEW_CODE [,CODESET] ) Locale::Codes::LangExt::add_langext_code_alias ( CODE ,NEW_CODE [,CODESET] ) Locale::Codes::LangExt::delete_langext_code_alias ( CODE [,CODESET] ) These routines are all documented in the Locale::Codes::API man page. SEE ALSO
Locale::Codes The Locale-Codes distribution. Locale::Codes::API The list of functions supported by this module. http://www.iana.org/assignments/language-subtag-registry The IANA language subtag registry. AUTHOR
See Locale::Codes for full author history. Currently maintained by Sullivan Beck (sbeck@cpan.org). COPYRIGHT
Copyright (c) 2011-2013 Sullivan Beck This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.18.2 2013-11-04 Locale::Codes::LangExt(3pm)
All times are GMT -4. The time now is 08:52 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy