Adding checksums

.gitignore

@@ -13,6 +13,7 @@
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
+*.txt
 
 # Dependency directories (remove the comment below to include it)
 # vendor/

README.md

@@ -1 +1,47 @@
-# go-checksums
+# go-checksums
+
+It's a small utlity used for getting checksum for any file!
+
+## Usage
+
+```bash
+    go-checksums.exe -f, --file FILE
+```
+
+## Demo
+
+```bash
+    go run . --file test.txt
+    Processing...
+
+    MD5:
+    04ff2868ab8b0fd8c5a7075e935b451c
+
+    Sha1:
+    319c41f3bc8e4c2df19d60ff04e5bac255e36ffe
+
+    Sha224:
+    60428e84740e0eafad716e063ac086cc65593bb88dece289600b5cd1
+
+    Sha256:
+    b9bbd2bbe3fd9b9c2121ddfdfda6c068b87a0403672067baa0d4527d836552e7
+
+    Sum384:
+    e06e912ca5b3c3546fd4df8142134817868abe4ab4e16c2f77c88a8da055720973975344622e0507bea48b5004cf46ec
+
+    Sha512:
+    f1f3a99cde58c1f59b56f707592f761e3f79f529be1e2d4b0c138f413482e83721e37ccf6760bb2661b45963b17b6d557f92fd1d3481c3351c34c7740c701559
+
+    SHA512_224:
+    5af1c3f73f18b9849a3493677e39fedd4b98e380863d9ddeb07e5914
+
+    SHA512_256:
+    49ecd0363616a4db7c3e36eb4a31e740cc0aad594076e0fac81a3739e1bc601b
+
+    Finished in: 7.5266ms
+```
+
+## License
+
+This project is licensed under the [MIT License](https://github.com/go-nerds/go-checksums/blob/main/LICENSE). See the [LICENSE](https://github.com/go-nerds/go-checksums/blob/main/LICENSE) file for details.
+

checker.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"bufio"
+	"crypto/md5"
+	"crypto/sha1"
+	"crypto/sha256"
+	"crypto/sha512"
+	"errors"
+	"fmt"
+	"io"
+	"os"
+
+	"github.com/gookit/color"
+)
+
+func generateHashes(filePath string) error {
+
+	file, err := os.Open(filePath)
+	if err != nil {
+		return errors.New("error in reading the file")
+	}
+
+	defer file.Close()
+
+	stat, err := file.Stat()
+	if err != nil {
+		return errors.New("error returning the File Info")
+	}
+
+	bs := make([]byte, stat.Size())
+	_, err = bufio.NewReader(file).Read(bs)
+
+	if err != nil && err != io.EOF {
+		return errors.New("error in parsing the file")
+	}
+
+	color.Cyan.Println("MD5:")
+	fmt.Printf("%x\n\n", md5.Sum(bs))
+
+	color.Cyan.Println("Sha1:")
+	fmt.Printf("%x\n\n", sha1.Sum(bs))
+
+	color.Cyan.Println("Sha224:")
+	fmt.Printf("%x\n\n", sha256.Sum224(bs))
+
+	color.Cyan.Println("Sha256:")
+	fmt.Printf("%x\n\n", sha256.Sum256(bs))
+
+	color.Cyan.Println("Sum384:")
+	fmt.Printf("%x\n\n", sha512.Sum384(bs))
+
+	color.Cyan.Println("Sha512:")
+	fmt.Printf("%x\n\n", sha512.Sum512(bs))
+
+	color.Cyan.Println("SHA512_224:")
+	fmt.Printf("%x\n\n", sha512.Sum512_224(bs))
+
+	color.Cyan.Println("SHA512_256:")
+	fmt.Printf("%x\n\n", sha512.Sum512_256(bs))
+
+	return nil
+}

go.mod

@@ -0,0 +1,11 @@
+module github.com/go-nerds/go-checksums
+
+go 1.20
+
+require (
+	github.com/alexflint/go-arg v1.4.3 // indirect
+	github.com/alexflint/go-scalar v1.1.0 // indirect
+	github.com/gookit/color v1.5.3 // indirect
+	github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+)

go.sum

@@ -0,0 +1,18 @@
+github.com/alexflint/go-arg v1.4.3 h1:9rwwEBpMXfKQKceuZfYcwuc/7YY7tWJbFsgG5cAU/uo=
+github.com/alexflint/go-arg v1.4.3/go.mod h1:3PZ/wp/8HuqRZMUUgu7I+e1qcpUbvmS258mRXkFH4IA=
+github.com/alexflint/go-scalar v1.1.0 h1:aaAouLLzI9TChcPXotr6gUhq+Scr8rl0P9P4PnltbhM=
+github.com/alexflint/go-scalar v1.1.0/go.mod h1:LoFvNMqS1CPrMVltza4LvnGKhaSpc3oyLEBUZVhhS2o=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gookit/color v1.5.3 h1:twfIhZs4QLCtimkP7MOxlF3A0U/5cDPseRT9M/+2SCE=
+github.com/gookit/color v1.5.3/go.mod h1:NUzwzeehUfl7GIb36pqId+UGmRfQcU/WiiyTTeNjHtE=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778 h1:QldyIu/L63oPpyvQmHgvgickp1Yw510KJOqX7H24mg8=
+github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778/go.mod h1:2MuV+tbUrU1zIOPMxZ5EncGwgmMJsa+9ucAQZXxsObs=
+golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/alexflint/go-arg"
+	"github.com/gookit/color"
+)
+
+type UserInput struct {
+	File string `arg:"-f,required"`
+}
+
+func main() {
+
+	userInput := UserInput{}
+	arg.MustParse(&userInput)
+
+	color.Yellowln("Processing...")
+	start := time.Now()
+
+	err := generateHashes(userInput.File)
+
+	if err != nil {
+		fmt.Println(err)
+	}
+
+	duration := time.Since(start)
+	color.Green.Println("Finished in:", duration)
+
+}