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package main
import (
"fmt"
"log"
"time"
"github.com/radovskyb/watcher"
)
func main() {
w := watcher.New()
// Uncomment to use SetMaxEvents set to 1 to allow at most 1 event to be received
// on the Event channel per watching cycle.
//
// If SetMaxEvents is not set, the default is to send all events.
// w.SetMaxEvents(1)
// Uncomment to only notify rename and move events.
// w.FilterOps(watcher.Rename, watcher.Move)
// Uncomment to filter files based on a regular expression.
//
// Only files that match the regular expression during file listing
// will be watched.
// r := regexp.MustCompile("^abc$")
// w.AddFilterHook(watcher.RegexFilterHook(r, false))
go func() {
for {
select {
case event := <-w.Event:
fmt.Println(event) // Print the event's info.
case err := <-w.Error:
log.Fatalln(err)
case <-w.Closed:
return
}
}
}()
// Watch this folder for changes.
if err := w.Add("."); err != nil {
log.Fatalln(err)
}
// Watch test_folder recursively for changes.
if err := w.AddRecursive("../test_folder"); err != nil {
log.Fatalln(err)
}
// Print a list of all of the files and folders currently
// being watched and their paths.
for path, f := range w.WatchedFiles() {
fmt.Printf("%s: %s\n", path, f.Name())
}
fmt.Println()
// Trigger 2 events after watcher started.
go func() {
w.Wait()
w.TriggerEvent(watcher.Create, nil)
w.TriggerEvent(watcher.Remove, nil)
}()
// Start the watching process - it'll check for changes every 100ms.
if err := w.Start(time.Millisecond * 100); err != nil {
log.Fatalln(err)
}
}
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