static string internal_path(string const &p);
// is path absolute?
static bool is_absolute_path(string const & p);
- // returns a string suitable to be passed to fopen/popen when
+ // returns a string suitable to be passed to fopen when
// reading a file
static char const * read_mode();
+ // same for popen().
+ static char const * popen_read_mode();
//
static void warn(string mesg);
private: