seq

type SeqOptions struct {
	Separator  string // -s: use STRING to separate numbers
	Format     string // -f: use printf style FORMAT
	EqualWidth bool   // -w: equalize width by padding with leading zeros
	JSON       bool   // --json: output as JSON
}

type SeqResult struct {
	Numbers []float64 `json:"numbers"`
	Count   int       `json:"count"`
}