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ruby--ruby/sample/cbreak.rb
matz a8c748d277 * sample: replace TRUE, FALSE with true, false respectively.
a patch from Kazuhiro NISHIYAMA <zn at mbf.nifty.com>.
  [ruby-dev:30713]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12184 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2007-04-16 13:53:09 +00:00

36 lines
564 B
Ruby

# ioctl example works on Sun
CBREAK = 0x00000002
ECHO = 0x00000008
TIOCGETP = 0x40067408
TIOCSETP = 0x80067409
def cbreak ()
set_cbreak(true)
end
def cooked ()
set_cbreak(false)
end
def set_cbreak (on)
tty = "\0" * 256
STDIN.ioctl(TIOCGETP, tty)
ttys = tty.unpack("C4 S")
if on
ttys[4] |= CBREAK
ttys[4] &= ~ECHO
else
ttys[4] &= ~CBREAK
ttys[4] |= ECHO
end
tty = ttys.pack("C4 S")
STDIN.ioctl(TIOCSETP, tty)
end
cbreak();
print("this is no-echo line: ");
readline().print
cooked();
print("this is echo line: ");
readline()