Fills the specified number of consecutive attributes, beginning at col , row , with the value specified in attribute . Returns the number of attributes filled, or undef on errors. Returns the number of characters filled, or undef on errors. All the events in the buffer are discarded. Returns undef on errors, a nonzero value on success.
Returns undef on errors, a nonzero value on success.
Sends a break signal of the specified type to the specified processgroup . Returns undef on errors, a nonzero value on success. Note that this doesn't apply to a console object, but to the standard input console. This attribute is used by the Write method. The result is undef on errors, otherwise a 2-element list containing col, row.