Small daemon to repetitive execute a program.

2 files changed, 60 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f9b4c28
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+*.swp
+*.db
+monoton
+_/
diff --git a/monoton.go b/monoton.go
new file mode 100644
index 0000000..b19e23f
--- /dev/null
+++ b/monoton.go
@@ -0,0 +1,56 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"github.com/robfig/cron"
+	"log"
+	"os"
+	"os/exec"
+)
+
+func main() {
+	time_f := flag.String("time", "1m", "Set the time interval.")
+	cmd_f := flag.String("cmd", "", "Execute the command.")
+	vars_f := flag.String("vars", "", "Command line options for the programm.")
+
+	flag.Parse()
+	var (
+		time, cmd, vars string
+	)
+
+	time = fmt.Sprintf("@every %s", *time_f)
+	cmd = fmt.Sprintf("%s", *cmd_f)
+	vars = fmt.Sprintf("%s", *vars_f)
+
+	if _, err := os.Stat(cmd); os.IsNotExist(err) {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	job := cron.New()
+	job.AddFunc(time, func() {
+
+		if vars == "" {
+			c := exec.Command(cmd)
+			o, err := c.Output()
+			if err != nil {
+				log.Println(err)
+			}
+			fmt.Printf("%s", o)
+		} else {
+			c := exec.Command("bash", "-c", cmd+" "+vars)
+			o, err := c.Output()
+			if err != nil {
+				log.Println(err)
+			}
+			fmt.Printf("%s", o)
+		}
+
+	})
+	job.Start()
+
+	for {
+		select {}
+	}
+}