Verbose logging

1 files changed, 10 insertions, 2 deletions

diff --git a/sd.go b/sd.go
index d1a6756..fbbd8b9 100644
--- a/sd.go
+++ b/sd.go
@@ -11,6 +11,7 @@ import (
 	_ "modernc.org/sqlite"
 )
 
+var verbose = flag.Bool("v", false, "debug output")
 var file = flag.String("f", "cards", "cards file")
 
 var sum = 0
@@ -76,6 +77,11 @@ func main() {
 	build(rows, 0, N-1, 1)
 	rows.Close()
 
+	if *verbose {
+		fmt.Println(N)
+		fmt.Println(seg)
+	}
+
 	// https://stackoverflow.com/questions/14094190/function-similar-to-getchar
 	// disable input buffering
 	exec.Command("stty", "-F", "/dev/tty", "cbreak", "min", "1").Run()
@@ -87,8 +93,10 @@ func main() {
 	for {
 		// Choose a random card
 		x := rand.Intn(sum)
-		fmt.Println(sum)
-		fmt.Println(x)
+		if *verbose {
+			fmt.Println(sum)
+			fmt.Println(x)
+		}
 		w, i := query(x, 0, N-1, 1)
 		fmt.Println(w)
 		fmt.Println(i)