sudoalx · February 23, 2023 02:58 · sudoalx · Feb 23, 2023
diff --git a/nat_renamer.sh b/nat_renamer.sh
 #!/bin/bash
 # This script simplifies the process of renaming the NAT interface of PNetLab and EVE-NG lab files (.unl) by offering common naming options and the ability to enter a custom name.
 # The script also includes error handling to assist users with unexpected inputs. 
 # After running the script, the original files will remain unchanged and new modified files will be created in a new directory called "renamed".
 # To use the modified files, simply copy them back to the directory where your .unl files are stored.

 # create renamed directory if it doesn't exist
 if [ ! -d renamed ]; then
  mkdir renamed
 fi

 # define color variables
 GREEN='\033[0;32m'
 RED='\033[0;31m'
 YELLOW='\033[0;33m'
 NC='\033[0m' # No Color

 # define search and replace options
 search_options=("cloud-nat" "nat0" "nat" "Other (enter custom term)")
 replace_options=("cloud-nat" "nat0" "nat" "Other (enter custom term)")

 # get search term from user
 echo "Search for:"
 for i in "${!search_options[@]}"; do
  printf "%s. %s\n" "$((i+1))" "${search_options[$i]}"
 done
 read -p $'\e[33mSelect an option: \e[0m' search_choice
 if ! [[ "$search_choice" =~ ^[1-4]$ ]]; then
  echo "Error: Invalid input. Please select a valid option (1-4)."
  echo "Usage: Place and run this script in the same directory as your .unl files to rename the NAT interface. Contact @Anthony_EdwardStark for help."
  exit 1
 fi
 search_term=${search_options[$((search_choice-1))]}

 # get replace term from user
 echo "Replace with:"
 for i in "${!replace_options[@]}"; do
  printf "%s. %s\n" "$((i+1))" "${replace_options[$i]}"
 done
 read -p $'\e[33mSelect an option: \e[0m' replace_choice
 if ! [[ "$replace_choice" =~ ^[1-4]$ ]]; then
  echo "Error: Invalid input. Please select a valid option (1-4)."
  echo "Usage: Place and run this script in the same directory as your .unl files to rename the NAT interface. Contact @Anthony_EdwardStark for help."
  exit 1
 fi
 replace_term=${replace_options[$((replace_choice-1))]}

 if [ "$replace_choice" -eq 4 ]; then
  read -r replace_term
 fi

 # initialize counters
 modified_count=0
 total_count=0

 for file in *.unl; do
  if [ -f "$file" ]; then
    modified=0
    line_num=0
    while IFS= read -r line; do
      line_num=$((line_num+1))
      if [[ "$line" == *"$search_term"* ]]; then
        line="${line//$search_term/$replace_term}"
        modified=1
        echo -e "${GREEN}${file}:${line_num}:${NC} ${RED}${line}${NC}"
      fi
      echo "$line" >> "renamed/$file.tmp"
    done < "$file"
    if [ "$modified" -eq 1 ]; then
      modified_count=$((modified_count+1))
      mv "renamed/$file.tmp" "renamed/$file"
    else
      rm "renamed/$file.tmp"
    fi
    total_count=$((total_count+1))
  fi
 done

 # output result
 echo -e "${GREEN}$modified_count file(s) modified out of $total_count${NC}"
	#!/bin/bash
	# This script simplifies the process of renaming the NAT interface of PNetLab and EVE-NG lab files (.unl) by offering common naming options and the ability to enter a custom name.
	# The script also includes error handling to assist users with unexpected inputs.
	# After running the script, the original files will remain unchanged and new modified files will be created in a new directory called "renamed".
	# To use the modified files, simply copy them back to the directory where your .unl files are stored.

	# create renamed directory if it doesn't exist
	if [ ! -d renamed ]; then
	mkdir renamed
	fi

	# define color variables
	GREEN='\033[0;32m'
	RED='\033[0;31m'
	YELLOW='\033[0;33m'
	NC='\033[0m' # No Color

	# define search and replace options
	search_options=("cloud-nat" "nat0" "nat" "Other (enter custom term)")
	replace_options=("cloud-nat" "nat0" "nat" "Other (enter custom term)")

	# get search term from user
	echo "Search for:"
	for i in "${!search_options[@]}"; do
	printf "%s. %s\n" "$((i+1))" "${search_options[$i]}"
	done
	read -p $'\e[33mSelect an option: \e[0m' search_choice
	if ! [[ "$search_choice" =~ ^[1-4]$ ]]; then
	echo "Error: Invalid input. Please select a valid option (1-4)."
	echo "Usage: Place and run this script in the same directory as your .unl files to rename the NAT interface. Contact @Anthony_EdwardStark for help."
	exit 1
	fi
	search_term=${search_options[$((search_choice-1))]}

	# get replace term from user
	echo "Replace with:"
	for i in "${!replace_options[@]}"; do
	printf "%s. %s\n" "$((i+1))" "${replace_options[$i]}"
	done
	read -p $'\e[33mSelect an option: \e[0m' replace_choice
	if ! [[ "$replace_choice" =~ ^[1-4]$ ]]; then
	echo "Error: Invalid input. Please select a valid option (1-4)."
	echo "Usage: Place and run this script in the same directory as your .unl files to rename the NAT interface. Contact @Anthony_EdwardStark for help."
	exit 1
	fi
	replace_term=${replace_options[$((replace_choice-1))]}

	if [ "$replace_choice" -eq 4 ]; then
	read -r replace_term
	fi

	# initialize counters
	modified_count=0
	total_count=0

	for file in *.unl; do
	if [ -f "$file" ]; then
	modified=0
	line_num=0
	while IFS= read -r line; do
	line_num=$((line_num+1))
	if [[ "$line" == "$search_term" ]]; then
	line="${line//$search_term/$replace_term}"
	modified=1
	echo -e "${GREEN}${file}:${line_num}:${NC} ${RED}${line}${NC}"
	fi
	echo "$line" >> "renamed/$file.tmp"
	done < "$file"
	if [ "$modified" -eq 1 ]; then
	modified_count=$((modified_count+1))
	mv "renamed/$file.tmp" "renamed/$file"
	else
	rm "renamed/$file.tmp"
	fi
	total_count=$((total_count+1))
	fi
	done

	# output result
	echo -e "${GREEN}$modified_count file(s) modified out of $total_count${NC}"