made work: line numbers in files with the correct indentation level (tested on a > 1000 lines file)

examples/file/filedemo.c

@@ -1,3 +1,18 @@
+// #include <stdio.h>
+// #include <odweta/util.h>
+//
+// int main() {
+//     char* string = intToString(1729843);
+//
+//     printf("final string: %s\n", string);
+//
+//     char* sstring = intToString(123);
+//
+//     printf("final string: %s\n", sstring);
+//
+//     return 0;
+// }
+
 #include <odweta/file.h>
 #include <stdio.h>
 
@@ -10,7 +25,7 @@ int main() {
 
     printf("\nconvering the file contents into a string (char*)\n");
     char* string = fileToString(f);
-    printf("\"%s\"\n", string);
+    printf("\"\"\"\n%s\"\"\"\n", string);
 
     printf("writing is quite simple, just call the 'fileWrite(file_t*, char*)' or 'fileWriteln(file_t*, char*)' function, where the second argument is the string you want to write into a file\nthe 'fileWriteln()' function writes the specified string AND a '\\n' after it, whereas the 'fileWrite()' function does not append the '\\n'\n");
 	fileWrite(f, "'this will not end with a \"\\n\"' ");
@@ -46,5 +61,21 @@ int main() {
 
     printf("when copying and moving files, the first argument is a file_t* (source file) and the second argument is a char* (the path of the destination file), not a file_t*!\n");
 
+    printf("prepending line numbers at the beggining of each line in a file\n");
+
+    file_t* g = fileInit("test.txt");
+    fileCopy(g, "copy_of_test.txt");
+    file_t* g_copy = fileInit("copy_of_test.txt");
+    fileNumberLines(g_copy);
+
+    printf("file withOUT prepended numbers:\n");
+    filePrint(g);
+
+    printf("file with prepended numbers:\n");
+    filePrint(g_copy);
+
+    fileCleanup(g);
+    //fileCleanup(g_copy);
+
     return 0;
 }