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

learn more… | top users | synonyms

6
votes
0answers
30 views

What should be the buffer size for the sort command?

I have a machine with 2 TB of RAM and I am running a sort command on a file of size 150G where I have specified the buffer-size as 1000G, after doing my bit of reasearch on google, I got this piece of ...
0
votes
1answer
19 views

Sorting file by second column

How can I manipulate a two columns tab-separated text file by sorting by the first element of the second column (only if the first column element is the same)? Exemple: Input File 1 A 1-2 A ...
0
votes
1answer
57 views

Why am I not getting correct output with sort command [closed]

This is what I have tried so far sort /etc/passwd -t: -k1 > ~/passwd.bylogin I keep getting an error that the output is wrong. The question is: Sort the /etc/passwd file in alphabetically ...
3
votes
4answers
82 views

How to sort with a delimiter that is several characters long?

INPUT: $ cat a.txt 1FOO2FOO3 4FOO5FOO5 2FOO1FOO9 $ OUTPUT: $ cat a.txt | sort SOMEMAGIC 2FOO1FOO9 1FOO2FOO3 4FOO5FOO5 $ Question: How can I sort, if I have a several character long ...
2
votes
4answers
88 views

Sort the output of find -exec ls

Is it possible to the output of find … -exec ls -ls ; sorted alpabetically, by filename? This is my cron command: find /home/setefgge/public_html -type f -ctime -1 -exec ls -ls {} \; This command ...
2
votes
2answers
55 views

Removing lines with a single common field

I have a tab separated file that looks like this: 123 some text 123 some different text 334 some other text 341 more text and I want to do two things. One is to order everything numerically ...
2
votes
2answers
123 views

Printing lines with similar text together

I am currently working on analyzing the performance of an application. I've starting by looking at the logs generated by our application and identifying the business logic tasks that are taking more ...
3
votes
3answers
250 views

Sort comma-separated fields on each line by numeric value

I tried this: $ echo "2,3435,1" | sort -n 2,3435,1 $ sort -t',' -n test_sort.txt kill,gill,burger 110,20,30,13 $ cat test_sort.txt 110,20,30,13 kill,gill,burger Why doesn't my sort command work? ...
1
vote
3answers
37 views

How can i get the process with the biggest pid?

How can I get the process with the biggest pid using ps?
7
votes
4answers
169 views

Sort fields inline

I'm trying to sort within a line of input over an unknown number of fields: Input: ab bc bc ab cd ef bc bc cd ef cd bc ab ef ab bc cd gh Output: ab bc ab bc bc cd ef bc cd ef ab cb cd ab bc cd ...
8
votes
2answers
144 views

sort by hex value

Using coreutils sort, how can I sort numerically by a hexadecimal value (field)? I was expecting something along the lines of sort -k3,3x file_to_sort however, such an x does not exist. Edit: ...
11
votes
3answers
681 views

Sorting data faster approach

I need to sort a bed file randomly 10000 times and take the top 1000 rows each time. Currently, I am using the following code: for i in {1..100}; do for j in {1..100}; do sort -R ...
2
votes
3answers
45 views

Get the last minute dated lines from list

If I have an input file with a list of users and their dates they were last signed in, how can I select with a sort | awk function the last minute lines? The dates are written in a +%H:%M:%S format. ...
-1
votes
1answer
17 views

How do I sort the signal buses with bits in ascending order?

I am trying to sort a file with signal buses. I am looking for result where the bits are in ascending order -- 2 followed by 3 and not 20. cat file1 |sort file1 cls_16_snap[2] cls_16_snap[20] ...
2
votes
1answer
26 views

sort based on column

10 awhdk; 14 hjoeow; 2 kdkld; 4 jkjdksl How to sort this based on column one (i.e the count) ? I'd want to get this output : 14 hjoeow;10 awhdk;4 jkjdksl;2 kdkld I need both the columns to be ...
2
votes
2answers
53 views

How to print top five highest numbers from a column?

I have a text file with four columns. I need to read till end of file and print the highest number from column3 (top 5 values) along with column 1. input.txt xm|340034177|ref|RT_235820.1| 139697 ...
1
vote
2answers
83 views

Sort files into directories named by prefix of file

I have a bunch of files like this 5830_1.png 5830_2.png 5830_3.png 5831_1.png 5832_1.png 5832_2.png I'd like to sort these files all into directories that take the prefix of the file name as the ...
19
votes
6answers
7k views

sort but keep header line at the top

I am getting output from a program that first produces one line that is a bunch of column headers, and then a bunch of lines of data. I want to cut various columns of this output and view it sorted ...
1
vote
1answer
56 views

`sort` disregards question mark [duplicate]

I need to sort a file based on names in the first column. Some of the names end in a question mark. sort persistently ignores this question mark during sorting: sort -k 1 -t , <<TEST a?,1 a,2 ...
6
votes
1answer
530 views

Is gnu coreutils sort broken?

Consider the following input to sort: cat > foo <<EOM D,,5014978 DD,,25 D,I,1972765530 D,Y,4223624 -,Y,71285059 YA,I,2 EOM Now try running sort foo The output is not sorted when trying ...
2
votes
2answers
94 views

Tool for viewing top N items in stream

I'm looking for an existing Linux command-line tools that can accomplish the following: Consider there is an input stream /dev/inputstream which spews an infinite stream of data that looks like this: ...
3
votes
1answer
189 views

Fastest `uniq` tool in linux

I have large text file (1.5 G), I want to know what the fastest and more reliable tool in linux is. I usualy use: awk '!x[$0]++' file.txt But when I use htop command I see my memory usage is ...
14
votes
7answers
7k views

List files sorted numerically

I have a bunch of files from log1 to log164. I'm trying to LIST the directory (sorted) in a UNIX terminal but the sort functions are only providing the format like this: home:logs Home$ ls -1 | sort ...
1
vote
1answer
288 views

Sort -u Function Command Not Working

As you can see in the picture attached screen shot After I used the sort command to sort a VERY large wordlist file I then split them up using the Split command. From there I confirmed that the ...
0
votes
2answers
38 views

Sorting by Last Name in the Scond Column

I'm trying to sort a file that has entries that look like so: Essie | Vaill | 14225 Hancock Dr | Anchorage | AK | 99515 907-345-0962 Please note the "|" stand for tabs of ...
2
votes
2answers
49 views

Check if a drive has been Zeroed with xxd and uniq?

I'm looking for a way to check if the entire binary contents of a USB device are purely 0s. I'm trying this command: sudo xxd /dev/sdb | uniq but it has no output and just runs forever. I've ...
6
votes
1answer
120 views

How to specify additional parameters for GNU sort's --compress-program option?

sort --compress-program=/bin/gzip works fine, but how can I pass options down to the compression programm (e.g. --best or --fast)? sort --compress-program=/bin/gzip\ --best failes with the error ...
2
votes
3answers
135 views

How can I get the last line number of unique commands when grepping my history file?

I rely on my history file for previous commands, especially ones that are long with many parameters. Once I find the command and its line number(nn) I use !nn to run it. I prefer to see the full ...
4
votes
4answers
144 views

how to sort access log efficiently in blocks

Access logs are more or less sorted by time, but to aggregate connections by time (uniq -c), you need to sort them a bit more. For a huge access log sort is very inefficient, because it buffers and ...
2
votes
7answers
326 views

Sort the files in the directory recursively based on last modified date

Sort the files in the directory recursively based on last modified date I have modified a lot of files in my directory want to know what are those files by sorting them by the last modified date ...
2
votes
1answer
899 views

Sort data in descending order of first column, for equal values, use second column in ascending order

Allow me to clarify: Assume I have some keywords with frequency of their usage: 12 Hi 7 Hash 7 C++ 9 Superuser 17 Stackoverflow 9 LaTeX 42 Life 9 Ubuntu What I want, is to sort this data ...
2
votes
1answer
33 views

How to use gnu sort to sort lines with field delimiter present only on some lines

In my .vimrc I list my vundle bundles like so: cat ~/.vimrc ... Bundle 'Raimondi/delimitMate' Bundle 'kien/ctrlp.vim' Bundle 'matchit.zip' Bundle 'upAndDown' Bundle 'rking/ag.vim' ... Now, I would ...
6
votes
2answers
130 views

Sorting with Perl respecting Locale Settings

Following data needs to be sorted respecting the locale sort order: wird sin wär pêche war Über Uber péché peach There was nor problem by using sort $ sort < data peach pêche péché sin Uber ...
2
votes
2answers
501 views

How to sort big files?

I have a PC with Intel(R) Pentium(R) CPU G640 @ 2.80GHz and 8 GByte RAM. Installed Scientific Linux 6.5 on it with EXT3 filesystem. Q: What is the fastest way I can do a "sort -u list.txt -o ...
3
votes
3answers
172 views

sort lines according to day

I have a text file in following format, and I need to sort the lines according to date. Is there some simple way to do it (preferably in bash) ? 2013-May-30 2 2013-May-21 10 2013-Jun-27 8 ...
6
votes
1answer
77 views

biggest possible number for sort -n

How to determine the "biggest number" so that sort -n will always put it at the end? I'm thinking of something along Inf in some languages but I'm not sure if anything like this exists for sort. ...
10
votes
4answers
12k views

How to list files sorted by modification date recursively (no stat command available!)

How can I get the list of all files under current directory along with their modification date and sorted by that date? Now I know how to achieve that with find, stat and sort, but for some weird ...
6
votes
2answers
608 views

Counting number of times each IP address appears in log file

I have a file in the format as follows: $ cat file.txt 27.33.65.2 27.33.65.2 58.161.137.7 121.50.198.5 184.173.187.1 184.173.187.1 184.173.187.1 What's the best way to parse the file file.txt into ...
0
votes
2answers
132 views

Sort a text file according to a character within a field

I have a file named : newfile which consist of the following data 1 AC BB CC 2 AB CC DD 3 CA BB CC 4 BE DD EE 5 BD AA AA I type the following command in bash to sort the data according to the ...
5
votes
6answers
1k views

How to sort (by whatever key) BibTex entries in `.bib` file?

I work with LaTeX and do versioning with Git. For bibliography management I use Mendeley. The problem is that each time Mendeley synchronizes it's .bib exports, they are in different order, what ...
3
votes
4answers
168 views

How to sort a list of files by time, given only the filenames

Given a list of file names, how can I sort it by file modification time? The resulting output needs to look exactly like the input with the exception that the data has been sorted accordingly. Here ...
2
votes
3answers
287 views

How to show CPU time for processes via top without 'root' procs

Okay, So I've been attempting this for about three hours now without success. How do you search/display/use the top command (or ps command if it works...) to output a list of all procs, sorted by CPU ...
5
votes
2answers
65 views

Sort one column only, keeping remaining columns untouched

How to (numerically) sort a specific column in a text file, without affecting other columns (irrespective of whether they are sorted or unsorted)? On other threads I found -s argument, but it does ...
0
votes
1answer
66 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
25 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
37 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
738 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
41 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
103 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
177 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 ...