Sorting text files or other data, for example with the sort utility.

learn more… | top users | synonyms

0
votes
1answer
74 views

Sort in Linux for column, keeping other values intact

NODE_154_length 847 2997 NODE_154_length 3283 4509 NODE_154_length 4672 5715 NODE_154_length 6977 7768 NODE_29_length 3790 4317 NODE_29_length 4356 4712 NODE_29_length 4356 4712 ...
2
votes
3answers
26 views

Move line from output to the front of output or custom reordering

I have a command find "$PWD" -name __openerp__.py|awk -F/ -vOFS=/ 'NF-=2'|sort -u and I want to take a certain line containing /web/addons and push it to the front of output then do the same with ...
1
vote
1answer
38 views

How to sort these lines?

I have this text: menu.overlap.x: -7 menu.overlap.y: 0 !! Menu settings menu.title.bg: Solid Flat menu.title.bg.color: #fce855 menu.title.bg.colorTo: #daa30b menu.title.bg.border.color: black ...
25
votes
2answers
748 views

Why is sort -o useful?

UNIX philosophy says: do one thing and do it well. Make programs that handle text, because that is a universal interface. The sort command, at least GNU sort, has an -o option to output to a file ...
1
vote
1answer
42 views

Memory-efficient utility to return N first sorted values

I would like to implement a very popular MapReduce example using only existing programs operating in a UNIX way. The problem is to find N most frequent values in an enormous amount of data. The ...
4
votes
1answer
121 views

How can I find the sort order for ls with my locale?

I was using ls -l on a directory, and was surprised that spaces and underscores were ignored for the sort order. For example, $ echo $LANG en_AU.UTF-8 $ ls -l total 0 -rw-r--r-- 1 sparhawk sparhawk 0 ...
4
votes
3answers
194 views

Sort all directories based on their size

I'd like to sort all the directories/files in a specific directory based on their size (using du -sh "name"). I need to apply this command to all directories in my location, then sort them based on ...
2
votes
2answers
217 views

Sort based on the third column

I'm facing a huge 4-columns file. I'd like to display the sorted file in stdout based on its 3rd column: cat myFile | sort -u -k3 Is that enough to perform the trick?
3
votes
3answers
183 views

Print unique of who command

I want to show the online users using the who command but I want to have a unique output and not show any duplicates. I piped the output into awk but I am not very familiar with that, is this the ...
0
votes
1answer
56 views

How to perform custom sort

I have the following line in a file : [[0, [0, '1']], [1, [0, '2']], [2, [0, '3']], [3, [0, '4']]] [[0, [1, '5']], [1, [1, '6']], [2, [1, '7']], [3, [1, '8']]] [[0, [2, '9']], [1, [2, '10']], [2, ...
1
vote
1answer
47 views

List the lines with the highest scores

I have the following problem concerning the sorting of a content of a file. I have a file called points.txt and it contains the following table of data: Jim:4 Tim:8 Lin:6 Tom:1 Esko:2 Jaska:5 Erkki:7 ...
2
votes
1answer
71 views

Sort doesn't use natural order

I have used uniq -c and sort extensively on other machines, and it always worked very well. Now, on my new Ubuntu (13.04) machine, I end up with a weird ordering: % cat queries.log | grep INSERT | ...
3
votes
2answers
94 views

Ignore blank keys in coreutils sort

How do you ignore or is there a way to change the sort order of empty keys when using sort -k? # cat afile a b 11 20 93 45 55 26 09 31 How can I sort the empty column b values at the bottom so it ...
1
vote
5answers
450 views

Need some sed magic: Moving marked lines to the beginning of a file

I find myself in dire need of some sed magic (I really need to sit myself down and learn this). I have a file with lots of lines. After reviewing it, I've marked some lines by adding a star (*) to ...
0
votes
3answers
105 views

selecting rows that have the same value [closed]

I have a problem in selecting rows that have the same value. My data is too huge to go row by row to do that. I want you guys to let me know scripts that can perform this. My data looks like as ...
5
votes
5answers
277 views

Sorting blocks of lines

I have a file that contains 4n lines. Here is an excerpt from it containing 8 lines 6115 8.88443 6116 6.61875 6118 16.5949 6117 19.4129 6116 6.619 6117 16.5979 6118 19.4111 6115 8.88433 What I ...
5
votes
5answers
9k views

join : “File 2 not in sorted order”

I've got two files _jeter3.txt and _jeter1.txt I've checked they are both sorted on the 20th column using sort -c sort -t ' ' -c -k20,20 _jeter3.txt sort -t ' ' -c -k20,20 _jeter1.txt #no ...
10
votes
4answers
528 views

Shuffle file randomly with some additional constraints

I have a huge music playlist and, while some artists have many albums, others have just one song. I wanted to sort the playlist so the same artist won't play twice in a row, or his songs won't end up ...
1
vote
3answers
173 views

How to sort and join at the same time?

I have 2 files, one having 2 columns, another having 1 column. The second file is sorted using sort -u. Now the task is I need to join this column with the first column of the first file, which is not ...
2
votes
2answers
97 views

When do `sort -k 2,3b` and `sort -k 2,3` differ?

The POSIX description of the -b flag for the sort command is Ignore leading characters when determining the starting and ending positions of a restricted sort key. I can understand the use for ...
0
votes
1answer
72 views

Why this sort command gives me an empty file? [duplicate]

prova1 is a file with some text. When I run this code prova1 become empty: sort prova1 > prova1 I know that to achieve the effect I can do: sort prova1 -o prova1 I would just know the reason ...
-1
votes
1answer
119 views

Select a range of files from directory structure /year/month/date.db

I have databases stored in the directory structure year/month/date.db an example would be db/2013/10/15.db I need to be able to select a range of these with a script ("dbSelect ...
47
votes
9answers
17k views

how do you sort du output by size?

How do you sort du -sh /dir/* by size? I read one site that said use | sort -n but that's obviously not right. Here's an example that is wrong. [~]# du -sh /var/* | sort -n 0 /var/mail 1.2M ...
1
vote
4answers
142 views

Why are sort options -c (check if sorted) and -o (write to output file) not compatiable

I am sorting a large number of files one after another. Using sort -o file file. The for loop halted midway and before restarting I want to use sort's -c option to speedup sorting. But it says that ...
0
votes
1answer
65 views

What option(s) would you use to sort a file named foo in place, that is replacing the original file with the sorted version? [duplicate]

I have this homework question. I looked at the man page for sort and I believe the answer is -o, --output=FILE Is that correct? It is a Fedora server. We're supposed to look on man pages, if there ...
6
votes
4answers
718 views

uniq a csv file ignoring a column, awk maybe?

Given this file (annotations are not part of file, but form part of explanation)... x,a,001,b,c,d,y x,a,002,b,c,e,yy x,bb,003,b,d,e,y x,c,004,b,d,e,y x,c,005,b,d,e,y # nb - dupe of row 4 ...
0
votes
1answer
59 views

Get the most recent backup files [duplicate]

I'm googling for this, but the terms are so generic I'm getting way too many false positives, so what the hey, I'll ask here. I'm sure there's a simple answer but I don't generally script in *nix. ...
4
votes
1answer
73 views

Help with the sort command (numeric)

I have this output I'd like to sort numerically by port (starting at the 35th column): tcp 0 0 192.168.0.210:110 0.0.0.0:* LISTEN 3385/dovecot tcp 0 0 ...
2
votes
2answers
925 views

Any tricks to speed up sort?

For example for bzip there is pbzip, a parallel version of bzip. Is there any such parallelization tools for sort to improve performance?
3
votes
1answer
346 views

How can I sort a list of file names by some substring of the name?

I have a number of files with names like: beginning_num1_734_num2_1.363e+12_num3_800.pdf beginning_num1_735_num2_7.453e+13_num3_800.pdf beginning_num1_1007_num2_9.453e+12_num3_1200.pdf I'd like to ...
4
votes
3answers
298 views

Grouped sorting of continuous paragraphs (separated by blank line)?

I think I'm pretty experienced now in sorting by columns; however, I haven't found anything so far how to sort continuous rows. Supposing we have a text file that looks like this: (very simplified, ...
5
votes
1answer
1k views

Sorting a file based on one column using Unix and Awk

I need to sort the input file according the 6th column, which is the score. Input File: Sc2/80 20 . A T 86 Pass N=2 F=5;U=4 Sc2/80 20 . A C 80 Pass N=2 F=5;U=4 Sc2/60 55 . G T 90 Pass N=2 F=5;U=4 ...
1
vote
2answers
4k views

How to sort results from ls command by modification date (directories first)?

I can fire ls -lrt to get files and folders sorted by modification date, but this does not separate directories from files. I want ls to show me first directories by modification date and then ...
1
vote
2answers
228 views

How batch mv files to folders created and named by modification date?

I am quite new to the terminal stuff and I just couldn't find any answer on the aforementioned subject. On my OS X, I have a folder with about 4000 pics that I'd like to move into folders that are ...
1
vote
2answers
405 views

Sort lines based on a variable-width number at a fixed position

I'm trying to sort a file using the Sort command but its not working: The file contains lines like: photo1 photo11 photo12 photo13 photo17 photo18 photo19 photo2 photo22 photo23 photo25 photo26 ...
2
votes
1answer
214 views

Incorrect sorting according en_US.UTF-8

I'm seeing a weird behavior of the sort command when I sort by en_US.UTF-8. I'm trying to sort this file (LC_COLLATE=en_US.UTF-8 sort testdata): 㐀 㐃㐄 ▼▽◢ ㎏㎜㎝ bqz ㄠㄨㄩ─┃┆ ...
1
vote
0answers
32 views

Characters not defined into iso14651_t1_pinyin are not sorted properly

when I try to sort characters not defined in iso14651_t1_pinyin, no sort happens, they are simply left in place. I would expect to see them sorted according to their codepoint. Is there a way I can ...
3
votes
1answer
467 views

Can I unzip and merge sorted text files in a single operation?

I have tens of thousands of gzipped text files, each of which has already been sorted internally. I've written a script to unzip them (creating a copy) and then using sort -m to merge them. It all ...
0
votes
1answer
2k views

How to sort by multiple columns? [duplicate]

I have a tab-separated file, and I want to sort it by its columns 9, 14, and 16. By this I mean that all rows that agree at column 9 should be sorted by column 14, and among these, those that also ...
8
votes
3answers
2k views

How can I remove duplicates in my .bash_history, preserving order?

I really enjoying using control+r to recursively search my command history. I've found a few good options I like to use with it: # ignore duplicate commands, ignore commands starting with a space ...
0
votes
1answer
142 views

How to sort date: YYYY.MM.DD. HH:MM?

INPUT: b|2013.06.03. 18:47| a|2013.06.03. 13:15| c|2013.06.03. 13:53| needed OUTPUT: a|2013.06.03. 13:15| c|2013.06.03. 13:53| b|2013.06.03. 18:47| How can I sort the dates correctly in ...
3
votes
1answer
106 views

Sort only on the second column [duplicate]

I'm trying to sort a file where typically (not always) the lines are whatever:[A-Ba-b0-9_]: values where fields are separated with :. Some lines do not follow this pattern, I'm not interested in ...
4
votes
2answers
271 views

Sort files by modification time

I've seen many questions and answers here using a construction along the lines of list_dir=`ls -t /path/to/dir/` for i in $list_dir; do or ls -t | while read i; do Now, I know that you shouldn't ...
20
votes
3answers
7k views

What is the difference between “sort -u” and “sort | uniq”?

Everywhere I see someone needing to get a sorted, unique list, they always pipe to sort | uniq. I've never seen any examples where someone uses sort -u instead. Why not? What's the difference, and why ...
4
votes
3answers
427 views

Sort using custom pattern

Is there a way to output file's contents using custom patterns? For instance, having a file myfile with following contents: a d b c ..how would one sort it using following pattern: print lines ...
3
votes
2answers
202 views

How to use output of one command as input in another command

I made a copy of all the backups made on Wed of every week The time stamp of each file is not sorted but the day is Wednesday of every file Now, I need to sort each file based on time Stamp e.g if ...
4
votes
2answers
267 views

sort part of a file

How can I sort the file by the second column from the terminal. The content of the file is: Nome Note ------------ Mehdi 0 Sunday 20 Others 10 Shnou 5 Using sort -t' ' -nk2 is not ...
3
votes
2answers
884 views

Specify the sort order with LC_COLLATE so lowercase is before uppercase

Given the file: $ cat file 1 a C B 2 c 3 A b By default sort will: $ sort file 1 2 3 a A b B c C With LC_COLLATE=C so will sort in uppercase letter before lowercase: $ LC_COLLATE=C sort file 1 ...
0
votes
1answer
208 views

How does -k flag work in sort command? [duplicate]

I have got a dataset like this: manufacturer,model,year,mileage,price plym fury 1970 73 2500 chevy malibu 1999 60 3000 ford mustang 1965 45 10000 volvo s80 1998 102 9850 ford thundbd 2003 15 10500 ...
2
votes
6answers
666 views

sort ls output by users

On Linux, is there a way to sort ls output by users? What I try to achieve is something like this: user_a   file1 user_a   file2 user_b   another_file user_c   this_file user_c ...