[fpc-pascal] sysutils.beep doesn't beep under Linux?
Michael Van Canneyt
michael at freepascal.org
Wed Nov 25 11:03:58 CET 2009
On Wed, 25 Nov 2009, Jonas Maebe wrote:
> On 22 Nov 2009, at 19:02, Jonas Maebe wrote:
>> On 21 Nov 2009, at 14:20, Michael Van Canneyt wrote:
>>> I have been thinking along similar lines, and made an implementation for
>>> that works with a handler. It's not yet committed, as I was trying to make
>>> LCL plugin which would work on Linux/X11.
>> Wouldn't it be better to do nothing by default under *nix? There are so
>> many situations where writing #7 won't work or can even break things
>> (redirection, daemons), that making beep perform this action by default
>> seems like a bad idea to me. Especially since if it does nothing, then
>> programs expecting to beep won't fail (while programs not expecting random
>> #7 characters in their output can suddenly start failing with the new
>> behaviour). Unless users are familiar with the inner workings of Unix
>> terminals, they won't expect that beeping can corrupt their program's
> Or maybe at least a check could be added whether stdout is a tty. It will
> probably still break when crt is used, but at least redirected output won't
> be corrupted anymore.
Correct. I'll add a check.
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