{
  "name": "awk",
  "section": 1,
  "title": "pattern scanning and processing language",
  "synopsis": [
    "awk [OPTION]... [OPERAND]..."
  ],
  "description": "Pattern-directed scanning and processing. Engine in lib/awk-engine.js; Issue 7–oriented subset (BEGIN/END, patterns, arrays, printf, POSIX math builtins atan2/cos/sin/exp/log/sqrt, getline from stdin or file via getline var < path, next/nextfile, delete). See handbook ch.9 §7 for lexer and timing divergences.",
  "options": [],
  "keywords": [
    "awk",
    "pattern",
    "field",
    "script"
  ],
  "seeAlso": [
    {
      "name": "sed",
      "section": 1
    },
    {
      "name": "grep",
      "section": 1
    }
  ],
  "bareOsNotes": "See handbook ch.9 for divergence from Issue 7.",
  "examples": [
    {
      "caption": "print column 1",
      "code": "awk '{print $1}' file.txt"
    },
    {
      "caption": "field separator",
      "code": "awk -F: '{print $1}' /etc/passwd"
    },
    {
      "caption": "sum numbers in first column",
      "code": "awk '{s+=$1} END{print s}' nums.txt"
    },
    {
      "caption": "lines matching /re/",
      "code": "awk '/error/{print NR\": \"$0}' log.txt"
    }
  ]
}