diff --git a/Who_robbed_Thibouvre/fundamentals/basic_write/basic_write.c b/Who_robbed_Thibouvre/fundamentals/basic_write/basic_write.c
index ca9f137..3894c6a 100644
--- a/Who_robbed_Thibouvre/fundamentals/basic_write/basic_write.c
+++ b/Who_robbed_Thibouvre/fundamentals/basic_write/basic_write.c
@@ -16,6 +16,15 @@ int write_one_by_one(char *filename, const char *text){
     return 0;
 }
 
+int write_all_in_one(char *filename, const char *text){
+
+    FILE *file = fopen(filename, "w");
+    if(!file)return 1;
+
+    fprintf(file, text);
+    return 0;
+}
+/*
 int main()
 {
     // does_exist.txt contains: "something which will be replaced"
@@ -30,6 +39,19 @@ int main()
     // The opening should succeed as it creates the file if needed
     // However it can fail if the file's access is forbidden
 
+ // does_exist.txt contains: "Hello World!"
+    a = write_all_in_one("does_exist.txt", "What a good day!");
+    // does_exist.txt contains: "What a good day!"
+
+    // still_not_yet_exist.txt... does not exist.
+    b = write_all_in_one("still_not_yet_exist.txt", "Now I exist");
+    // still_not_yet_exist.txt... now exists and contains: "Now I exist"
+
+    printf("%d %d\n", a, b); // 0 0
+    // The opening should succeed as it creates the file if needed
+    // However it can fail if the file's access is forbidden
+
+
     return 0;
 }
-
+*/
diff --git a/Who_robbed_Thibouvre/fundamentals/basic_write/does_exist.txt b/Who_robbed_Thibouvre/fundamentals/basic_write/does_exist.txt
index 3615520..77cf452 100644
Binary files a/Who_robbed_Thibouvre/fundamentals/basic_write/does_exist.txt and b/Who_robbed_Thibouvre/fundamentals/basic_write/does_exist.txt differ
diff --git a/Who_robbed_Thibouvre/fundamentals/basic_write/still_not_yet_exist.txt b/Who_robbed_Thibouvre/fundamentals/basic_write/still_not_yet_exist.txt
new file mode 100644
index 0000000..7b5bbbf
--- /dev/null
+++ b/Who_robbed_Thibouvre/fundamentals/basic_write/still_not_yet_exist.txt
@@ -0,0 +1 @@
+Now I exist
\ No newline at end of file
diff --git a/Who_robbed_Thibouvre/fundamentals/basic_write/test b/Who_robbed_Thibouvre/fundamentals/basic_write/test
index 9857cff..aada1d1 100755
Binary files a/Who_robbed_Thibouvre/fundamentals/basic_write/test and b/Who_robbed_Thibouvre/fundamentals/basic_write/test differ