{
  "name": "uniq",
  "section": 1,
  "title": "report or filter adjacent duplicate lines",
  "synopsis": ["uniq [-c] [-d] [-u] [INPUT]"],
  "description": "Filters adjacent duplicate lines (input should be sorted for POSIX semantics). Optional OUTPUT operand is accepted for familiarity but ignored; use shell redirects.",
  "options": [
    { "flag": "-c, --count", "meaning": "Prefix lines with occurrence counts" },
    {
      "flag": "-d, --repeated",
      "meaning": "Only print duplicate lines (one per group)"
    },
    { "flag": "-u, --unique", "meaning": "Only print lines that appear once" },
    { "flag": "-h, --help", "meaning": "Print usage" }
  ],
  "keywords": ["uniq", "bare-os", "coreutils"],
  "examples": [
    { "caption": "unique sorted lines", "code": "sort names.txt | uniq" },
    { "caption": "counts", "code": "sort log | uniq -c" }
  ],
  "listCategory": "coreutils"
}