add support for windows

build.go

@@ -10,6 +10,7 @@ import (
 	"log"
 	"os"
 	"os/exec"
+	"runtime"
 	"strings"
 
 	"github.com/urfave/cli/v2"
@@ -157,8 +158,12 @@ func GfmrunActionFunc(c *cli.Context) error {
 		return err
 	}
 
+	if runtime.GOOS == "windows" {
+		return runCmd("gfmrun.exe", "-c", fmt.Sprint(counter), "-s", filename)
+	} else {
 		return runCmd("gfmrun", "-c", fmt.Sprint(counter), "-s", filename)
 	}
+}
 
 func TocActionFunc(c *cli.Context) error {
 	filename := c.Args().Get(0)