Use a File for IO with irb, see InputMethod
# File ruby-3.1.2/lib/irb/input-method.rb, line 173
def close
@io.close
end
The external encoding for standard input.
# File ruby-3.1.2/lib/irb/input-method.rb, line 164
def encoding
@external_encoding
end
Whether the end of this input method has been reached, returns true if there is no more data to read.
See IO#eof? for more information.
# File ruby-3.1.2/lib/irb/input-method.rb, line 151
def eof?
@io.closed? || @io.eof?
end
Reads the next line from this input method.
See IO#gets for more information.
# File ruby-3.1.2/lib/irb/input-method.rb, line 158
def gets
print @prompt
@io.gets
end