Work out file reading and writing

processor/processor.go

@@ -31,15 +31,6 @@ type Processor interface {
 	FromLua(L *lua.LState) (interface{}, error)
 }
 
-// ModificationRecord tracks a single value modification
-type ModificationRecord struct {
-	File      string
-	OldValue  string
-	NewValue  string
-	Operation string
-	Context   string
-}
-
 func NewLuaState() (*lua.LState, error) {
 	L := lua.NewState()
 	// defer L.Close()

processor/regex.go

@@ -90,11 +90,6 @@ type CaptureGroup struct {
 	Updated string
 	Range   [2]int
 }
-type ReplaceCommand struct {
-	From int
-	To   int
-	With string
-}
 
 // ProcessContent applies regex replacement with Lua processing
 func (p *RegexProcessor) ProcessContent(content string, pattern string, luaExpr string) (string, int, int, error) {