$expect_verbose = false class IO def expect(pat,timeout=9999999) buf = '' case pat when String e_pat = Regexp.new(Regexp.quote(pat)) when Regexp e_pat = pat end while true if !IO.select([self],nil,nil,timeout) or eof? then result = nil break end c = getc.chr buf << c if $expect_verbose STDOUT.print c STDOUT.flush end if mat=e_pat.match(buf) then result = [buf,*mat.to_a[1..-1]] break end end if block_given? then yield result else return result end nil end end