New answers tagged sort
1
vote
Select greatest numbered filename
1-liner:
# for numerical order
find . -maxdepth 1 -name '*.dat' -print | sort -rV | head -n1
# for alphabetical order
find . -maxdepth 1 -name '*.dat' -print | sort -r | head -n1
Note: You can use ...
- 11
2
votes
How to sort each 20 lines in a 1000 line file and save only the sorted line with highest value in each interval to another file?
Using the DSU (Decorate/Sort/Undecorate) idiom with any awk+sort+cut:
$ awk -v OFS='\t' '(NR==1) || ($1<p){b++} {p=$1; print b, $0}' file |
sort -k5,5rn | awk '!seen[$1]++' | sort -k1,1n | cut -...
- 22.6k
6
votes
Accepted
How to sort each 20 lines in a 1000 line file and save only the sorted line with highest value in each interval to another file?
With GNU sort and GNU split, you can do
split -l 20 file.txt --filter "sort -nk 4|tail -n 1"
The file gets splitted in packets of 20 lines, then the filter option filters each packet by the ...
- 11.7k
15
votes
How to sort each 20 lines in a 1000 line file and save only the sorted line with highest value in each interval to another file?
Via awk:
NR%20==1 {max=$4 ; line=$0}
{ if ($4>max) {max=$4;line=$0} }
NR%20==0 {print line}
- 10.8k
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