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