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bug#61248: uniq --unique needs examples

From: Bernhard Voelker
Subject: bug#61248: uniq --unique needs examples
Date: Fri, 10 Feb 2023 23:20:02 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1

On 2/3/23 08:12, Dan Jacobson wrote:
uniq INFO page says:
      Discard the last line that would be output for a repeated input
      group.  When used by itself, this option causes ‘uniq’ to print
      unique lines, and nothing else.

This really needs some examples, to help people understand what it means.

While an example is always nice, isn't the last part of the above exactly
telling what it's doing?

  $ printf '%s\n' a a a b c c | uniq -u

Admittedly, the --help output is both much shorter and clearer:

    -u, --unique          only print unique lines

Have a nice day,

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