reader

Documentation

Index

• type Lines
  • func (l *Lines) Extract() ([]string, error)

Types

type Lines

type Lines struct {
	FileName  string
	LineNum   int // value -1 means scan the whole file and break after finding what we were looking for
	Condition func(line string) bool
	Parser    func(line string) (string, bool)
}

Lines represents line reader in a given 'FileName' immediately before the given 'LineNum'. Extraction happens when 'Condition' is met and being processed by 'Parser' function.

func (*Lines) Extract

func (l *Lines) Extract() ([]string, error)

Extract extracts lines in given file and based on the provided condition. returns empty if nothing found.