uniq

Remember what you learned about character and numeric sorting back in the Sort and uniq section.

The uniq command normally operates on sorted files, and removes consecutive identical lines from any file, whether sorted or not.

Again, note how Perl was an intermediate tool between find, sort and uniq.

Then, use awk to strip out the command name minus options and arguments, and pass the sorted list to uniq to give an enumerated list.

Another command called uniq gives us another way of controlling the elimination of duplicate lines.

Earlier this year Uniq, a milk-firm-turned-sandwich-maker, was taken over by its own pension fund.

If necessary, you can extend the pipeline shown above further and redirect the output of uniq to yet another utility.

However, both sort and uniq require data entry or input from the standard input device (stdin).

Finally, sort and uniq in sequence ensure that repeated album names will be printed only once.

For the immediate problem, yes, shell is better; it makes good use of the built-in uniq -c command.

ve is a new and uniq Each second we live is a new and unique moment which will never be again.

Both sort and uniq print outcomes to stdout.

To learn more about the extensive features of find, sort, and uniq, refer to each utility's man page on your UNIX system.

Our sort was by collating sequence, so uniq gives us the "10 apple" line instead of the "1 apple" .

The uniq command can also ignore some fields.