grep

type Hit struct {
	File      string `json:"file"`
	Line      int    `json:"line"`
	Col       int    `json:"col"`
	Enclosing string `json:"enclosing,omitempty"`
	Text      string `json:"text"`
}

type Options struct {
	Root          string
	Patterns      []string
	Format        string // "toon" | "md" | "json"
	CaseSensitive bool
	WordBound     bool
	Regex         bool
	Exts          []string // file extensions to include (".php" etc.); empty = all
	ExtraIgnore   []string // extra directory names to skip in addition to defaults
	MaxPerPattern int      // 0 = unlimited
}

type PatternResult struct {
	Pattern string `json:"pattern"`
	Files   int    `json:"files"`
	Hits    []Hit  `json:"hits"`
}

type Result struct {
	Patterns []*PatternResult `json:"patterns"`
	Empty    []string         `json:"empty,omitempty"`
	Skipped  int              `json:"skipped,omitempty"` // files skipped: binary or over-long lines
}