From 26beeaecff6aded6fb3863951d8345e3f0b854be Mon Sep 17 00:00:00 2001
From: Marcus Schiesser <mail@marcusschiesser.de>
Date: Mon, 5 Apr 2021 13:31:24 +0800
Subject: [PATCH] added md5 implementation
---
src/gomd5/main.go | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
create mode 100644 src/gomd5/main.go
diff --git a/src/gomd5/main.go b/src/gomd5/main.go
new file mode 100644
index 0000000..05d948b
--- /dev/null
+++ b/src/gomd5/main.go
@@ -0,0 +1,34 @@
+package main
+
+import (
+ "crypto/md5"
+ "fmt"
+ "io"
+ "os"
+)
+
+func main() {
+ if len(os.Args) < 2 {
+ fmt.Println("Usage: gomd5 [file ...]")
+ }
+ files := os.Args[1:]
+ for _, file := range files {
+ if err := processFile(file); err != nil {
+ fmt.Fprintf(os.Stderr, "gomd5: %v", err)
+ }
+ }
+}
+
+func processFile(filename string) error {
+ f, err := os.Open(filename)
+ if err != nil {
+ return err
+ }
+ defer f.Close()
+ h := md5.New()
+ if _, err := io.Copy(h, f); err != nil {
+ return err
+ }
+ fmt.Printf("%x\n", h.Sum(nil))
+ return nil
+}
--
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