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

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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 ...
3
votes
2answers
224 views

GNU utility: sort

I have an issue sorting a file based on the first two columns. The layout of the file is: 1 998688068 PizzaFan Insurance 22.47 5 072821325 Plaisio Computers 26.35 4 998688068 PizzaFan Food 27.32 5 ...
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 ...
3
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 ...
8
votes
5answers
596 views

How intelligent are unix utilities?

Unix utilities like sort, find, grep, diff et al are very handy to perform quick tasks, sometimes without writing any code at all. I wanted to know what algorithms do they internally use and how do ...
10
votes
4answers
11k 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 ...
4
votes
1answer
651 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 ...
3
votes
2answers
2k views

Sorting by date

Original: Jan 23 2011 10:42 SOMETHING 2007.12.20.avi Jun 26 2009 SOMETHING 2009.06.25.avi Feb 12 2010 SOMETHING 2010.02.11.avi Jan 29 2011 09:17 SOMETHING 2011.01.27.avi Feb 11 2011 20:06 SOMETHING ...
44
votes
9answers
15k 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 ...
6
votes
1answer
521 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 ...
5
votes
2answers
1k views

sort output by column

I'd like to take this command find -maxdepth 1 -type d | while read -r dir; do printf "%s:\t" "$dir"; find "$dir" | wc -l; done ( from here ). which has an output of basically ./kennel: 11062 ...