Multiple:

- Updated README
- Added zstd support
- Added go.mod and go.sum

README.md

@@ -10,6 +10,7 @@ Run the executable and it'll ask you what file you are wanting to compress and w
 # Supported Compression Systems:
 - gzip
 - zlib
+- zstd
 
 # TODO:
 - [ ] Have command line arguments

go.mod

@@ -0,0 +1,5 @@
+module digby
+
+go 1.13
+
+require github.com/DataDog/zstd v1.4.5 // indirect

go.sum

@@ -0,0 +1,2 @@
+github.com/DataDog/zstd v1.4.5 h1:EndNeuB0l9syBZhut0wns3gV1hL8zX8LIu6ZiVHWLIQ=
+github.com/DataDog/zstd v1.4.5/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=

main.go

@@ -11,6 +11,9 @@ import (
 	"fmt"
 	"io/ioutil"
 	"os"
+
+	// Third-party packages
+	"github.com/DataDog/zstd"
 )
 
 func main() {
@@ -42,5 +45,10 @@ func main() {
 		w := zlib.NewWriter(f)
 		w.Write(data)
 		w.Close()
+	} else if *&comp == "zstd" {
+		f, _ = os.Create(*&path + *&file + ".zst")
+		w := zstd.NewWriter(f)
+		w.Write(data)
+		w.Close()
 	}
 }