Log prefix and small improvements (#3)

* fix link

* rename main file

* catch err once

* print prefix

* prefix

* remove unneeded function

README.md

@@ -13,8 +13,8 @@ The goal is to provide disk cleaning functionality like BleachBit, but in a zero
 
 `topclean` is intended to be executed when you are running low on disk space and you are sure that deleting temporary files, caches, files marked for deletion (e.g. recycle bin) etc. is safe.
 
-Until builds are provided, you need to run `go run main.go`.
+Until builds are provided, you need to run `go run topclean.go`.
 
 ## Licence
 
-[MIT](LICENCE.md)
+[MIT](LICENCE)

main.go → topclean.go

@@ -6,15 +6,22 @@ import (
 	"os/exec"
 )
 
+var prefix = "[topclean] "
+var apps = []App{
+	{"scoop", "scoop", []string{"cleanup", "*"}},
+	{"npm", "npm", []string{"cache", "clean", "--force"}},
+	{"yarn", "yarn", []string{"cache", "clean"}},
+	{"cleanmgr", "cleanmgr", []string{"/d", "c", "/verylowdisk"}},
+}
+
 func main() {
-	fmt.Print("topclean\n\n")
-	apps := getApps()
+	fmt.Println(prefix + "Starting!")
 	for i := 0; i < len(apps); i++ {
 		app := apps[i]
 		err := clean(app)
 		catch(err)
 	}
-	fmt.Print("\ndone\n")
+	fmt.Println(prefix + "Done!")
 }
 
 type App struct {
@@ -23,24 +30,13 @@ type App struct {
 	args []string
 }
 
-func getApps() []App {
-	apps := []App{
-		{"scoop", "scoop", []string{"cleanup", "*"}},
-		{"npm", "npm", []string{"cache", "clean", "--force"}},
-		{"yarn", "yarn", []string{"cache", "clean"}},
-		{"cleanmgr", "cleanmgr", []string{"/d", "c", "/verylowdisk"}},
-	}
-	return apps
-}
-
 func clean(app App) error {
-	fmt.Println("Cleaning " + app.name)
+	fmt.Println(prefix + "Cleaning " + app.name)
 	var stdout, stderr bytes.Buffer
 	cmd := exec.Command(app.cmd, app.args...)
 	cmd.Stdout = &stdout
 	cmd.Stderr = &stderr
 	err := cmd.Run()
-	catch(err)
 	cmdLog(stdout.String(), stderr.String())
 	return err
 }