Add filter flag

utils/modifycommand.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"modify/logger"
 	"os"
+	"strings"
 
 	"github.com/bmatcuk/doublestar/v4"
 	"gopkg.in/yaml.v3"
@@ -206,3 +207,16 @@ func CountGlobsBeforeDedup(commands []ModifyCommand) int {
 	}
 	return count
 }
+
+func FilterCommands(commands []ModifyCommand, filter string) []ModifyCommand {
+	filteredCommands := []ModifyCommand{}
+	filters := strings.Split(filter, ",")
+	for _, cmd := range commands {
+		for _, filter := range filters {
+			if strings.Contains(cmd.Name, filter) {
+				filteredCommands = append(filteredCommands, cmd)
+			}
+		}
+	}
+	return filteredCommands
+}