watcher

watcher

| | |

A simple cross-platform file watcher

With support for

• Multi directories
• Exclusions
• Extensions

Events

• OperationCreate, when added a new file
• OperationUpdate, when updated an existing file
• OperationDelete, when deleted a file
• OperationChanges, all files loaded and has some of the previous events

Dependecy Management

Dep

Project dependencies are managed using Dep. Read more about Dep.

• Install dependencies: dep ensure
• Update dependencies: dep ensure -update

Go

go get github.com/joaosoft/watcher

Usage

This examples are available in the project at watcher/main/main.go

import (
	"fmt"
	"os"
	"os/signal"
	"sync"
	"syscall"
	github.com/joaosoft/watcher
)

func main() {
	c := make(chan *watcher.Event)
	quit := make(chan int)

	termChan := make(chan os.Signal, 1)
	signal.Notify(termChan, syscall.SIGINT, syscall.SIGTERM, syscall.SIGUSR1)

	w := watcher.NewWatcher(watcher.WithEventChannel(c), watcher.WithQuitChannel(quit))

	go func() {
		for {
			select {
			case <-termChan:
				quit <- 1
				return
			case event := <-c:
				fmt.Printf("received event %+v\n", event)
			}
		}
	}()

	if err := w.Start(nil); err != nil {
		panic(err)
	}

	<-termChan
	if err := w.Stop(nil); err != nil {
		panic(err)
	}
}

Configuration file

{
  "watcher": {
    "reload_time": 1,
    "dirs": {
      "watch":[ "examples/" ],
      "excluded":[ "examples/test_2" ],
      "extensions": [ "go", "json" ]
    },
    "log": {
      "level": "error"
    }
  },
  "manager": {
    "log": {
      "level": "error"
    }
  }
}

Known issues

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LinkedIn: https://www.linkedin.com/in/jo%C3%A3o-ribeiro-b2775438/