From c9b6b9a5ca082fe7c1b6f58d7713f785a9eb6a5c Mon Sep 17 00:00:00 2001
From: Martial Simon <msimon_fr@hotmail.com>
Date: Mon, 15 Sep 2025 01:08:27 +0200
Subject: add: graphs et rushs

---
 graphs/cpp/replace/replace.cc | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 graphs/cpp/replace/replace.cc

(limited to 'graphs/cpp/replace/replace.cc')

diff --git a/graphs/cpp/replace/replace.cc b/graphs/cpp/replace/replace.cc
new file mode 100644
index 0000000..c24bf05
--- /dev/null
+++ b/graphs/cpp/replace/replace.cc
@@ -0,0 +1,39 @@
+#include "replace.hh"
+
+#include <fstream>
+#include <iostream>
+#include <string>
+
+void replace(const std::string& input_filename,
+             const std::string& output_filename, const std::string& src_token,
+             const std::string& dst_token)
+{
+    std::ofstream file_out;
+    file_out.open(output_filename);
+
+    if (!file_out.is_open())
+    {
+        std::cerr << "Cannot write output file\n";
+        return;
+    }
+
+    std::ifstream file_in;
+    file_in.open(input_filename);
+    if (!file_in.is_open())
+    {
+        std::cerr << "Cannot open input file\n";
+        return;
+    }
+
+    std::string token;
+    while (std::getline(file_in, token))
+    {
+        std::string::size_type n = 0;
+        while ((n = token.find(src_token, n)) != std::string::npos)
+        {
+            token.replace(n, src_token.size(), dst_token);
+            n += dst_token.size();
+        }
+        file_out << token << "\n";
+    }
+}
\ No newline at end of file
-- 
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