#sort
3 one-liners with this tag.
All one-liners tagged sort
Compare two lists: what is missing from the second
$comm -23 <(sort -u all-domains.txt) <(sort -u backed-up-domains.txt)
Count the most frequent lines in a file
$sort list.txt | uniq -c | sort -rn | head -n 20
Join two files on a common field
$join -t ';' <(sort -t ';' -k1,1 domains-customers.csv) <(sort -t ';' -k1,1 domains-expiry.csv)