ncal(1) prints control sequences on stdout if stdout is not a tty

Alexander Best arundel at
Fri Jul 8 10:14:09 UTC 2011

On Thu Jul  7 11, Tobias Rehbein wrote:
> Hi list,
> being the maintainer of www/nanoblogger, which uses cal(1) to generate the blog
> calendar, I noticed that ncal(1), and therefore cal(1), prints control sequences
> to stdout in order to highlight the current date. This scrambles the calendar
> generated by nanoblogger.
> I fixed this issue in the port but talking to one of the folks of our local unix
> user group I was asked why I am not fixing this in ncal(1) as the sane behaviour
> would be to omit control sequences if stdout is not a tty. Thinking about that I
> decided to create a patch:
> I just wanted to ask you fellow FreeBSD users what you think about this issue as
> feedback in PRs tends to be slow.

hi there,

i've assigned your PR to Edwin Groothuis, who has been dealing with ncal(1) a
lot lately. I think chances are pretty high he's going to commit your patch
this month.


> Regards Tobias

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