Example file.txt
:
100 foo
2 bar
300 tuu
When using sort -k 1,1 file.txt
, the order of lines will not change, though we are expecting :
2 bar
100 foo
300 tuu
How to sort a field consisting of numbers based on the absolute numerical value?
Take a peek at the man page for sort...
-n, --numeric-sort compare according to string numerical value
So here is an example...
sort -n filename