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Sort

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Usage

Sort lines of text files.

shell

sort OPTIONS FILE

Option	Description
`-b` `--ignore-leading-blanks`	Ignore leading blanks.
`-f` `--ignore-case`	Fold lower case to upper case characters.
`-g` `--general-numeric-sort`	Compare according to general numerical value.
`-i` `--ignore-nonprinting`	Consider only printable characters.
`-h` `--human-numeric-sort`	Compare human readable numbers (e.g., 2K 1G).
`-n` `--numeric-sort`	Compare according to string numerical value.
`-R` `--random-sort`	Shuffle, but group identical keys.
`-r` `--reverse`	Reverse the result of comparisons.
`-u` `--unique`	Output only the first of an equal run.

Find all file extensions in a git repository:

shell

git ls-files | sed -En 's/^.*\.([^.]*)$/\1/p' | sort -u