run.sh

#!/bin/bash

# Default values
file_name="main.cpp"

# Handle command-line options using getopts
while getopts ":f:" opt; do
    case $opt in
        f)
            file_name="$OPTARG"
            ;;
        \?)
            echo "Invalid option: -$OPTARG" >&2
            exit 1
            ;;
        :)
            echo "Option -$OPTARG requires an argument." >&2
            exit 1
            ;;
    esac
done

# Shift the option index so that $1 points to the first non-option argument (directory path)
shift "$((OPTIND-1))"

# Check if the directory exists
dir_path=$(dirname "$1")
if [ ! -d "$dir_path" ]; then
    echo "Error: Directory not found."
    exit 1
fi

# Change the current directory to the user-provided directory
cd "$dir_path"

# Check if the main.cpp file exists in the directory
if [ ! -f "$file_name" ]; then
    echo "Error: $file_name not found in the directory."
    exit 1
fi

# Compile main.cpp using g++
g++ -std=c++17 "$file_name" -o my_program

# Check if the compilation was successful
if [ $? -eq 0 ]; then
    echo "Compilation successful."

    # Run the compiled program
    ./my_program
else
    echo "Compilation failed."
fi