diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-01-16 12:19:09 +0000 |
---|---|---|
committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-01-16 12:19:09 +0000 |
commit | 62e41d3f2e48422bbdf1bb2db83ae60b255b1a1a (patch) | |
tree | 4d0edb1c1986e1578b181ebe2441acfee27f1fab /sample/cbreak.rb | |
parent | 3db12e8b236ac8f88db8eb4690d10e4a3b8dbcd4 (diff) |
Initial revision
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'sample/cbreak.rb')
-rw-r--r-- | sample/cbreak.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sample/cbreak.rb b/sample/cbreak.rb new file mode 100644 index 0000000000..cbb15d2f41 --- /dev/null +++ b/sample/cbreak.rb @@ -0,0 +1,36 @@ +# 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() |