pipe?(p1)
public
Returns true if the named file is a pipe.
/*
* call-seq:
* File.pipe?(file_name) => true or false
*
* Returns <code>true</code> if the named file is a pipe.
*/
static VALUE
test_p(obj, fname)
VALUE obj, fname;
{
#ifdef S_IFIFO
# ifndef S_ISFIFO
# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
# endif
struct stat st;
if (rb_stat(fname, &st) < 0) return Qfalse;
if (S_ISFIFO(st.st_mode)) return Qtrue;
#endif
return Qfalse;
}