chore: move off deprecated io/ioutil pkg funcs

cmd/create.go

@@ -22,7 +22,6 @@ package cmd
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -75,7 +74,7 @@ func init() {
 func writeTemplateFile(filename string) error {
 	// create template file if it doesn't exist
 	if _, err := os.Stat(filename); os.IsNotExist(err) {
-		err := ioutil.WriteFile(filename, []byte(baseTemplateFileString), 0644)
+		err := os.WriteFile(filename, []byte(baseTemplateFileString), 0644)
 		if err != nil {
 			return fmt.Errorf("Failed to create template file: %v\n", err)
 		}

cmd/show.go

@@ -22,7 +22,6 @@ package cmd
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -55,7 +54,7 @@ func showClipTemplate(filename string) error {
 	if _, err := os.Stat(filename); os.IsNotExist(err) {
 		fmt.Printf("Couldn't find a clip template with the name: '%s'\n", strings.TrimSuffix(filepath.Base(filename), filepath.Ext(filename)))
 	} else {
-		buf, err := ioutil.ReadFile(filename)
+		buf, err := os.ReadFile(filename)
 		if err != nil {
 			return fmt.Errorf("Failed to read template file: %v\n", err)
 		}

helpers/yaml.go

@@ -22,7 +22,7 @@ package helpers
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	"gopkg.in/yaml.v2"
 )
@@ -38,7 +38,7 @@ type TemplateFile struct {
 }
 
 func LoadTemplateFile(filename string) (TemplateFile, error) {
-	bytes, err := ioutil.ReadFile(filename)
+	bytes, err := os.ReadFile(filename)
 	if err != nil {
 		return TemplateFile{}, err
 	}
@@ -58,7 +58,7 @@ func WriteConfigFile(filename string, data interface{}) error {
 		return fmt.Errorf("Could not marshal data:\n%#v\n...to yaml: %v", data, err)
 	}
 
-	err = ioutil.WriteFile(filename, bytes, 0644)
+	err = os.WriteFile(filename, bytes, 0644)
 	if err != nil {
 		return fmt.Errorf("Could not open file '%s' to write data: %v", filename, err)
 	}