Shell provides different ways to sort the input text using the sort
command. It's also possible to remove repeated lines from sorted/unsorted input text using the uniq
command. The input text to sort and uniq
commands can be given from a file, or redirected from another command.
The lines in the input text are sorted in the following order:
Numbers from 0 to 9
Uppercase letters from A to Z
Lowercase letters from a to z
The syntax will be as follows:
sort [OPTION] [FILE …]
Single or multiple input files can be provided to sort for sorting.
The sort
command takes multiple options to provide flexibility in sorting. The popular and important OPTION
to sort have been discussed in the following table: