sort some_file
- can be sorted numerically or alphanumerically (default)
sort INTRON_SIZE
sort -n
- numerical sort, lowest to highest
sort -nr
- numerical sort, highest to lowest
what is the smallest size?
sort INTRON_SIZE -n |head -1
what is the largest size?
sort INTRON_SIZE -n |tail -1
sort INTRON_SIZE -nr |head -1
sort -n INTRON_SIZE > file_of_sorted_intron_sizes
sort -k
- sorts on fields
- by default spaces/tables separate fields
apple 15 rotten has 3 fields
field 1 is apple field 2 is 15 field 3 is rotten
more fruit
apple 10 quality:fresh
cherry 15 quality:rotten
peach 89 quality:fresh
blueberry 15 quality:rotten
peach 32 quality:unknown
peach 5 quality:rotten
grape 23 quality:fresh
grapfruit 100 quality:unknown
melon 15 quality:fresh
to sort by fruit name alphabetically
sort -k1,1 fruit
to sort by price
sort -k2n,2n fruit
- sort by second field (k2) and just second field(,2) and numerically (n)
peach 5 quality:rotten
apple 10 quality:fresh
blueberry 15 quality:rotten
cherry 15 quality:rotten
melon 15 quality:fresh
grape 23 quality:fresh
peach 32 quality:unknown
peach 89 quality:fresh
grapfruit 100 quality:unknown
to sort by quality
sort -k3,3 fruit
apple 10 quality:fresh
grape 23 quality:fresh
melon 15 quality:fresh
peach 89 quality:fresh
blueberry 15 quality:rotten
cherry 15 quality:rotten
peach 5 quality:rotten
grapfruit 100 quality:unknown
peach 32 quality:unknown
to sort by quality and then price
sort -k3,3 -k2n,2n fruit
apple 10 quality:fresh
melon 15 quality:fresh
grape 23 quality:fresh
peach 89 quality:fresh
peach 5 quality:rotten
blueberry 15 quality:rotten
cherry 15 quality:rotten
peach 32 quality:unknown
grapfruit 100 quality:unknown