From a7444c575ccda28997d239560bd7475912346dba Mon Sep 17 00:00:00 2001
From: Alex Denes <caskd@redxen.eu>
Date: Thu, 21 Apr 2022 14:56:39 +0000
Subject: [PATCH] Initial commit

---
 go.mod  |  3 +++
 main.go | 31 +++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 go.mod
 create mode 100644 main.go

diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..aa47fcc
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module git.redxen.eu/caskd/gomon
+
+go 1.18
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..cda768a
--- /dev/null
+++ b/main.go
@@ -0,0 +1,31 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"os"
+)
+
+func main() {
+	flag.Parse()
+
+	files := make(map[string]int)
+
+	for _, v := range flag.Args() {
+		f, err := os.ReadDir(v)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		for _, v := range f {
+			files[v.Name()]++
+		}
+	}
+
+	for k, v := range files {
+		if v == flag.NArg() {
+			fmt.Println(k)
+		}
+	}
+}