首次提交代码

info.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"flag"
+	"log/slog"
+
+	"git.algo.com.cn/public/bloomtool/internal/bloom"
+)
+
+func RunInfo(args ...string) error {
+	fs := flag.NewFlagSet("info", flag.ExitOnError)
+
+	bmpFile := fs.String("b", "", "bitmap filename")
+
+	if err := fs.Parse(args); err != nil {
+		return err
+	} else if fs.NArg() > 0 || *bmpFile == "" {
+		fs.Usage()
+		return nil
+	}
+
+	return info(*bmpFile)
+}
+
+func info(bmpFile string) error {
+
+	slog.Info("load bitmap file", "filename", bmpFile)
+	bfile, err := bloom.LoadFromFile(bmpFile, true)
+	if err != nil {
+		slog.Error("open bitmap file error", "err", err)
+		return err
+	}
+
+	stat := bfile.GetStat()
+	slog.Info("bitmap info", "stat", stat)
+
+	return nil
+}