cpp01...

ex04/Makefile

@@ -0,0 +1,26 @@
+NAME=sed
+
+SRCS=main.cpp
+
+OBJS=$(SRCS:.cpp=.o)
+
+CC=g++
+CFLAGS=-Wall -Wextra -Werror -std=c++98
+
+all: $(NAME)
+
+$(NAME): $(OBJS)
+	$(CC) $(CFLAGS) $(OBJS) -o $(NAME)
+
+%.o: %.cpp
+	$(CC) $(CFLAGS) -c $< -o $@
+
+clean:
+	rm -f $(OBJS)
+
+fclean: clean
+	rm -f $(NAME)
+
+re: fclean all
+
+.PHONY: all clean fclean re

ex04/main.cpp

@@ -0,0 +1,58 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   main.cpp                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: aortigos <aortigos@student.42malaga.com    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/09/06 14:44:18 by aortigos          #+#    #+#             */
+/*   Updated: 2025/09/06 15:18:39 by aortigos         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <iostream>
+#include <fstream>
+
+int	main(int argc, char **argv)
+{
+	std::string	filename;
+	std::string	s1;
+	std::string	s2;
+	std::string	line;
+
+	if (argc == 4)
+	{
+		filename = argv[1];
+		s1 = argv[2];
+		s2 = argv[3];
+		line = "";
+		std::ifstream infile(filename.c_str(), std::ifstream::in);
+		std::ofstream outfile((filename + ".replace").c_str());
+
+		if (!infile.is_open() || !outfile.is_open())
+		{
+			std::cout << "Ha ocurrido un error en los archivos" << std::endl;
+			return (1);
+		}
+
+		while (std::getline(infile, line)) {
+			size_t	pos = 0;
+
+			while ((pos = line.find(s1, pos)) != std::string::npos)
+			{
+				line.erase(pos, s1.length());
+				line.insert(pos, s2);
+				pos += s2.length();
+			}
+			outfile << line << std::endl;
+		}
+
+		infile.close();
+		outfile.close();
+		
+	} else {
+		std::cout << "Uso: ./sed <filename> <s1> <s2>" << std::endl;
+	}
+
+	return (0);
+}