PROCESS-KILLER

#!/bin/bash

# Define ANSI color codes
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[0;33m'
BLUE='\033[0;34m'
CYAN='\033[0;36m'
NC='\033[0m' # No Color

# Function to display processes
show_processes() {
    clear
    echo -e "${CYAN}┌───────────────────────────────────────────────────────┐"
    echo -e "│ ${YELLOW}Process Killer - Select a process to terminate ${CYAN}        │"
    echo -e "└───────────────────────────────────────────────────────┘${NC}"
    echo ""
    
    # Get processes with PID, CPU%, MEM%, and command
    ps -eo pid,pcpu,pmem,comm --sort=-%cpu | awk 'NR<=20' | while read -r pid pcpu pmem comm; do
        printf "${GREEN}%6s ${RED}%5s%% ${BLUE}%5s%% ${YELLOW}%-30s${NC}\n" "$pid" "$pcpu" "$pmem" "$comm"
    done
}

while true; do
    show_processes
    
    echo -e "\n${CYAN}Enter PID to kill (or 'q' to quit, 'r' to refresh):${NC} "
    read -r choice
    
    # Exit if user chooses q
    if [[ "$choice" == "q" ]]; then
        echo -e "${RED}Exiting.${NC}"
        break
    fi
    
    # Refresh if user chooses r
    if [[ "$choice" == "r" ]]; then
        continue
    fi
    
    # Check if input is numeric
    if [[ "$choice" =~ ^[0-9]+$ ]]; then
        # Verify process exists
        if ps -p "$choice" > /dev/null; then
            echo -e "${YELLOW}Killing process ${RED}$choice${YELLOW}...${NC}"
            kill -9 "$choice"
            sleep 1
        else
            echo -e "${RED}No process with PID $choice found!${NC}"
            sleep 1
        fi
    else
        echo -e "${RED}Invalid input. Please enter a numeric PID.${NC}"
        sleep 1
    fi
done