replace deprecated functions

modules/paste/method.go

@@ -3,7 +3,7 @@ package paste
 
 import (
 	"fmt"
-	"io/ioutil"
+	"io"
 	"os"
 
 	"github.com/rocky-linux/rpaste/modules/utility"
@@ -43,7 +43,7 @@ func runPaste(ctx *cli.Context) error {
 	if stdMethod && PasteData == "" {
 		fio, err := os.Stdin.Stat()
 		if (fio.Mode() & os.ModeCharDevice) == 0 {
-			bytes, _ := ioutil.ReadAll(os.Stdin)
+			bytes, _ := io.ReadAll(os.Stdin)
 			PasteData = string(bytes)
 		} else if err != nil {
 			fmt.Printf("Could not read from stdin: (%s)\n", err)
@@ -65,7 +65,7 @@ func runPaste(ctx *cli.Context) error {
 				checkfile, _ := utility.IsFile(lastArg)
 				// if it's a file, send it to the PasteData var
 				if checkfile {
-					fileBytes, err := ioutil.ReadFile(lastArg)
+					fileBytes, err := os.ReadFile(lastArg)
 					if err != nil {
 						panic(err)
 					}

modules/paste/sysinfo.go

@@ -3,7 +3,7 @@ package paste
 
 import (
 	"bytes"
-	"io/ioutil"
+	"os"
 	"os/exec"
 	"regexp"
 	"strconv"
@@ -96,14 +96,14 @@ func cpuInfo() string {
 
 func support64Bit() string {
 	text := " lm "
-	file, _ := ioutil.ReadFile("/proc/cpuinfo")
+	file, _ := os.ReadFile("/proc/cpuinfo")
 	string := string(file)
 	return strconv.FormatBool(strings.Contains(string, text))
 }
 
 func virtSupport() string {
 	re, _ := regexp.Compile(`(vmx|svm)`)
-	file, _ := ioutil.ReadFile("/proc/cpuinfo")
+	file, _ := os.ReadFile("/proc/cpuinfo")
 	exists := re.Match(file)
 	return strconv.FormatBool(exists)
 }

modules/utility/file.go

@@ -5,7 +5,6 @@ package utility
 
 import (
 	_ "errors"
-	"io/ioutil"
 	"os"
 	_ "path"
 	_ "path/filepath"
@@ -38,7 +37,7 @@ func IsExist(path string) (bool, error) {
 
 // Reads one-line text files (like for /sys or /proc) - Strips carriage returns
 func Slurp(path string) string {
-	data, err := ioutil.ReadFile(path)
+	data, err := os.ReadFile(path)
 	if err != nil {
 		return ""
 	}