isatty

• Class methods (2)
• new
• open
• Instance methods (66)
• << (<= v1_9_3_125)
• binmode
• bytes
• chars
• close
• closed?
• closed_read?
• closed_write?
• close_read
• close_write
• codepoints
• each
• each_byte
• each_char
• each_codepoint
• each_line
• eof
• eof?
• external_encoding
• fcntl
• fileno
• flush
• fsync
• getbyte
• getc
• gets
• initialize_copy
• internal_encoding
• isatty
• length
• lineno
• lineno=
• lines
• path (<= v1_9_1_378)
• pid
• pos
• pos=
• print (<= v1_9_3_125)
• printf (<= v1_9_3_125)
• putc
• puts (<= v1_9_3_125)
• read
• readbyte (<= v1_9_3_125)
• readchar (<= v1_9_3_125)
• readline (<= v1_9_3_125)
• readlines
• read_nonblock (<= v1_9_3_125)
• readpartial (<= v1_9_3_125)
• reopen
• rewind
• seek
• set_encoding
• size
• string
• string=
• sync
• sync=
• sysread (<= v1_9_3_125)
• syswrite (<= v1_9_3_125)
• tell
• truncate
• tty?
• ungetbyte
• ungetc
• write
• write_nonblock (<= v1_9_3_125)

= private
= protected