wifi-cleanup.sh

wifi-cleanup.sh

#!/bin/bash

# WiFi Network Cleanup Tool
# This script helps you review and remove unwanted WiFi networks

# Colors for better readability
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

# Check if running with sufficient privileges
if [[ $EUID -eq 0 ]]; then
   echo "This script should not be run as root for safety reasons."
   echo "You'll be prompted for your password when needed."
   exit 1
fi

# Create backup
echo -e "${BLUE}Creating backup of current WiFi networks...${NC}"
backup_file="$HOME/Desktop/wifi_backup_$(date +%Y%m%d_%H%M%S).txt"
networksetup -listpreferredwirelessnetworks en0 > "$backup_file"
echo -e "${GREEN}Backup saved to: $backup_file${NC}\n"

# Get all networks into an array (reverse order to start with oldest)
IFS=$'\n' read -d '' -r -a networks < <(networksetup -listpreferredwirelessnetworks en0 | grep -v "Preferred networks on en0:" | sed 's/^[[:space:]]*//' | tac)

# Count networks
total=${#networks[@]}
removed=0
kept=0

echo -e "${YELLOW}Found $total WiFi networks to review${NC}\n"
echo "For each network, press:"
echo "  [y/Y] or [Enter] = Keep"
echo "  [n/N] = Remove"
echo "  [q/Q] = Quit"
echo "  [s/S] = Skip remaining and keep all"
echo -e "\nStarting review...\n"

# Process each network
for i in "${!networks[@]}"; do
    network="${networks[$i]}"

    # Skip empty lines
    if [[ -z "$network" ]]; then
        continue
    fi

    # Progress indicator
    progress=$((i + 1))
    echo -e "${BLUE}[$progress/$total]${NC} Network: ${YELLOW}$network${NC}"

    # Ask user
    read -p "Keep this network? [Y/n/q/s]: " -n 1 -r
    echo # Move to next line

    case "$REPLY" in
        n|N)
            echo -e "${RED}Removing: $network${NC}"
            networksetup -removepreferredwirelessnetwork en0 "$network" 2>/dev/null
            if [ $? -eq 0 ]; then
                ((removed++))
            else
                echo -e "${RED}Failed to remove: $network${NC}"
            fi
            ;;
        q|Q)
            echo -e "\n${YELLOW}Quitting...${NC}"
            break
            ;;
        s|S)
            echo -e "\n${YELLOW}Skipping remaining networks...${NC}"
            ((kept += total - progress + 1))
            break
            ;;
        *)
            echo -e "${GREEN}Keeping: $network${NC}"
            ((kept++))
            ;;
    esac

    echo # Empty line for readability
done

# Final summary
echo -e "\n${BLUE}=== Summary ===${NC}"
echo -e "${GREEN}Networks kept: $kept${NC}"
echo -e "${RED}Networks removed: $removed${NC}"

# Show remaining count
remaining=$(networksetup -listpreferredwirelessnetworks en0 | grep -c -v "Preferred networks on en0:")
echo -e "${YELLOW}Total networks remaining: $remaining${NC}"

echo -e "\n${BLUE}Backup of original list saved to:${NC}"
echo "$backup_file"

# Optional: Show current network
current=$(airport -I | grep ' SSID' | awk '{print $2}')
if [[ ! -z "$current" ]]; then
    echo -e "\n${GREEN}Currently connected to: $current${NC}"
fi