Class: IO

Inherits:
Object
  • Object
show all
Defined in:
lib/expect.rb

Instance Method Summary collapse

Instance Method Details

#expect(pat, timeout = 9999999) ⇒ Object



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# File 'lib/expect.rb', line 4

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