Function tryCopy

If 'from' exists, then copy. Otherwise, do nothing and return false.

bool tryCopy(T1, T2) (
  T1 from,
  T2 to
)
if ((is(T1 == string) || is(T1 == Path)) && (is(T2 == string) || is(T2 == Path)));

Supports Path and command echoing.

Returns

Success?