First commit

go.mod

@@ -0,0 +1,9 @@
+module github.com/zat-kaoru-hayama/WatchTemp
+
+go 1.17
+
+require (
+	github.com/mattn/go-colorable v0.1.11 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6 // indirect
+)

go.sum

@@ -0,0 +1,7 @@
+github.com/mattn/go-colorable v0.1.11 h1:nQ+aFkoE2TMGc0b68U2OKSexC+eq46+XwZzWXHRmPYs=
+github.com/mattn/go-colorable v0.1.11/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
+github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
+github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
+golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6 h1:foEbQz/B0Oz6YIqu/69kfXPYeFQAuuMYFkjaqXzl5Wo=
+golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

main.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"fmt"
+	"io/fs"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/mattn/go-colorable"
+)
+
+const (
+	_STAMP_STYLE = "15:04:05.000"
+)
+
+func mains() error {
+	if dispose := colorable.EnableColorsStdout(nil); dispose != nil {
+		defer dispose()
+	}
+	out := colorable.NewColorableStdout()
+
+	tempPath := os.TempDir()
+	previous := make(map[string]struct{})
+	filepath.Walk(tempPath, func(_path string, info fs.FileInfo, err error) error {
+		path := _path[len(tempPath):]
+		previous[path] = struct{}{}
+		return nil
+	})
+
+	tick := time.Tick(time.Second / 5)
+	for next := range tick {
+		current := make(map[string]struct{})
+		stamp := next.Format(_STAMP_STYLE)
+
+		filepath.Walk(tempPath, func(_path string, info fs.FileInfo, err error) error {
+			path := _path[len(tempPath):]
+			if _, ok := previous[path]; ok {
+				delete(previous, path)
+			} else {
+				fmt.Fprintf(out, "\x1B[32;1m%s Add %s\x1B[0m\n", stamp, path)
+			}
+			current[path] = struct{}{}
+			return nil
+		})
+		for path := range previous {
+			fmt.Fprintf(out, "\x1B[31;1m%s Del %s\x1B[0m\n", stamp, path)
+		}
+		previous = current
+	}
+	return nil
+}
+
+func main() {
+	if err := mains(); err != nil {
+		fmt.Fprintln(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+}