(Close #37) Add -inject flag

Signed-off-by: hahwul <[email protected]>

main.go

@@ -33,6 +33,7 @@ func main() {
 	debugOption := flag.Bool("debug", false, "Show debug message!")
 	reverseOption := flag.Bool("reverse", false, "Reverse string in line")
 	uniqOption := flag.Bool("uniq", false, "Remove duplicated line")
+	injectOption := flag.String("inject", "", "Inject stdin into the format of the factor value (This is %%INJECT%% line!)")
 
 	// Custom usage
 	flag.Usage = func() {
@@ -82,6 +83,7 @@ func main() {
 		Debug:         *debugOption,
 		Reverse:       *reverseOption,
 		Uniq:          *uniqOption,
+		Inject:	       *injectOption,
 	}
 	if *debugOption {
 		printing.DebugMsg("MSG", "Running on Debug mode", options.Debug)

pkg/gee/string.go

@@ -32,6 +32,10 @@ func StringProc(l string, stdLine int, options model.Options) (string, string) {
 		}
 	}
 
+	if strings.Contains(options.Inject, "%%INJECT%%") {
+		result = strings.Replace(options.Inject, "%%INJECT%%", result, -1)
+	}
+
 	if options.WithLine {
 		result = au.BrightBlue("["+strconv.Itoa(stdLine)+"] ").String() + result
 		resultPlain = "[" + strconv.Itoa(stdLine) + "] " + resultPlain

pkg/model/options.go

@@ -22,4 +22,5 @@ type Options struct {
 	Debug         bool
 	Reverse       bool
 	Uniq          bool
+	Inject        string
 }