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

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54
votes
11answers
27k 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 ...
18
votes
2answers
16k views

Trying to sort on two fields, second then first

I am trying to sort on multiple columns. The results are not as expected. Here's my data (people.txt): Simon Strange 62 Pete Brown 37 Mark Brown 46 Stefan Heinz 52 Tony Bedford 50 John Strange 51 ...
8
votes
1answer
620 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 ...
17
votes
8answers
14k 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 ...
5
votes
6answers
9k views

Get text-file word occurrence count of all words & print output sorted

I had a command which would work through a text file, count all the occurrences of the words and print it out like this: remy@box $˜ magic-command-i-forgot | with grep | and awk | sort ./textfile.txt ...
22
votes
6answers
11k 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 ...
12
votes
2answers
894 views

How does awk '!a[$0]++' work?

This one-liner removes duplicate lines from text input without pre-sorting. For example: $ cat >f q w e w r $ awk '!a[$0]++' <f q w e r $ The original code I have found on the internets ...
7
votes
4answers
271 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 ...
5
votes
3answers
3k views

What's the default order of Linux sort?

For a long period I thought the default behavior of the sort program was using ASCII order. However, when I input the following lines into sort without any arguments: # @ I got: @ # But ...
6
votes
2answers
480 views

sort every field numerically, varying field counts

I'm trying to sort some data using sort. I noticed it was sorting by digit rather than number, so I added the -n flag. It then seemingly only numerically sorts on the first field though. Breaking it ...
1
vote
2answers
106 views

How do I move a line in a text file up or down by one line?

I have some text files, and I'd like to be able to move an arbitrary line in any of the files up or down one line (lines at the beginning or end of the file would stay where they are). I have some ...
1
vote
3answers
1k views

Sort with unequal whitespace in first column

I need to sort this list by name, high temp and low temp: Kuala Lumpur 78 56 Seoul 85 66 Karachi 95 75 Tokyo 85 60 Lahore 85 75 Manila 90 85 I figured since whitespace is the delimiter for a column ...
0
votes
1answer
149 views

Merging CSV (single line per row) files without losing the header line

I need to merge two CSV files: datasorted1.csv and datasorted2.csv, but my headers keep getting sorted. head -n 1 datasorted1.csv datasorted2.csv > resultado.csv && tail -n +2 ...
0
votes
1answer
125 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 ...
12
votes
5answers
5k views

case-insensitive search of duplicate file-names

I there a way to find all files in a directory with duplicate filenames, regardless of the casing (upper-case and/or lower-case)?
6
votes
2answers
3k 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 ...
5
votes
5answers
12k 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 ...
4
votes
1answer
3k views

How to numerical sort by last column?

I have this input: sdkxyosl 1 safkls 2 asdf--asdfasxy_asd 5 dkd8k jasd 29 sdi44sw 43 asasd afsdfs 10 rklyasd 4 I need this output: sdi44sw 43 dkd8k jasd 29 asasd afsdfs 10 asdf--asdfasxy_asd 5 ...
15
votes
2answers
4k views

sort inplace - like sed --in-place - exists?

Am I blind or is there no option like --in-place for sort? In order to save results to the input file, sed uses -i (--in-place). Redirecting the output of sort to the input file sort < f > f ...
5
votes
1answer
775 views

Is there a search utility which can binary split search a large sorted (sequential) text file?

Yes, I know it sounds odd. Sequential and Binary-splits don't mix.. That is unless the sequence is the byte offset within the file itself... I've scrambled together a binary split search in bash ...
1
vote
2answers
82 views

Compare and print data from different text files to one in Shell

How can I compare and print data from different text files to one in Shell. I have captures NAS details of three different boxes using SSH, now I need to combine all the three text files to one file ...
1
vote
4answers
199 views

Sed/awk/perl: reversing order of comma separated values, preserving other text

I have this text: LABEL1 .BYTE 01, 02, 03, 04, 05 .BYTE 01, 02, 03 I need to reverse only comma separated values order: LABEL1 .BYTE 05, 04, 03, 02, 01 .BYTE 03, 02, 01 I need ...
6
votes
2answers
747 views

How would I sort these directory names numerically?

I'm aware that I can somehow sort this output numerically (so cpu1/ follows cpu0/) ... I could probably get something to work eventually by splitting up the string various ways with awk, but is there ...
4
votes
2answers
885 views

Sort behaves strangely on case sensitive sorting

Sort is sorting differently than I would expect. I have this file, call it text.txt: a 1 A 1 a 11 (the space is always one \t) I want to sort them alphabetically by the first column. ...
2
votes
1answer
71 views

counting occurrences of a string

I have a large database of this format: 0500506 gi|561108321|ref|NC_018143.2| 71446 0 0500506 gi|561108321|ref|NC_018143.2| 71447 0 0500508 gi|561108321|ref|NC_018143.2| 71449 0 0500509 ...
2
votes
2answers
401 views

Sorting a csv file [duplicate]

I need to sort a CSV file, but the the header row (1st row) keeps getting sorted. This is what I'm using: cat data1.csv | sort -t"|" -k 1 -o data1.csv Here's a sample line: ...
2
votes
2answers
294 views

Select greatest numbered filename

Simple requirement but can't find anything online which can achieve it. I have a list of dated files as below... filename_20120101.dat filename_20120102.dat filename_20120103.dat I ...
2
votes
2answers
3k views

Issues of using sort and comm

I was trying to find the intersection of two plain data files, and found from a previous post that it can be done through comm -12 <(sort test1.list) < (sort test2.list) It seems to me that ...
0
votes
0answers
26 views

What does sort -n do with non numeric values? [duplicate]

I'm translating an old korne shell script that uses sort. The exact command is: sort -k 1.2,1.9n -k 1.10 -k 1.18,1.19 $LOAD_FILE > $SORTED_FILE The input file has some lines where the values in ...
0
votes
1answer
965 views

Sort a file based on 1 column [duplicate]

Possible Duplicate: how do you sort du output by size? I have a text file generated from the output of du --max-depth 1 -h > sizeOfHomeFolder.txt It's contents are in this format: $ ...