Question

5

How to sort by row from terminal

rated 0 times [ 5] [ 0] / answers: 1 / hits: 8797 / 2 Years ago, fri, may 6, 2022, 10:32:04

I was looking at this question and I wondered if the following could be done from terminal. I did it in python, just want to see if it could be done from terminal, bash scripting or whatever.

Suppose I have a file that looks like so:

2,4,5,14,9

40,3,5,10,1

could it be sorted like so, by rows (lines)

2,4,5,9,14

1,3,5,10,40

or is it too complicated? I did it using python, I just want to know if it could be done so next time I might not use python. What I have done, is creating lists and sorting them.

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antebrow

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1 Year ago

answered 2 Years ago repend · Accepted Answer

Here's another Perl approach:

perl -F, -lane 'print join ",",sort {$a<=>$b} @F' file.txt

And another shell/coreutils one (though personally, I prefer steeldriver's excellent answer which uses the same idea):

while read line; do 

    tr , $'

' < <(printf -- "%s" "$line") | sort -g | tr $'

' , | sed 's/,$/

/';

done < file.txt