On 22/01/2015 14:22, Rainer M Krug wrote:


Envoyé de mon iPhone

Le 22 janv. 2015 à 15:11, Prof Brian Ripley <rip...@stats.ox.ac.uk> a écrit :

See ?Quotes.

Perfect - thanks.


On 22/01/2015 13:32, Rainer M Krug wrote:
Hi

I just discovered \r and \t

--8<---------------cut here---------------start------------->8---
cat(LETTERS, "\n")
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

--8<---------------cut here---------------end--------------->8---

--8<---------------cut here---------------start------------->8---
cat(LETTERS, "\r", letters, "\n")
  a b c d e f g h i j k l m n o p q r s t u v w x y z

--8<---------------cut here---------------end--------------->8---

and
\a as alert
\b as backspace
\f as form-feed
\n as newline
\r as carriage-return
\t as tab
\v as vertical-tab

are there more of these escape sequences?

Especially, Can I position the cursor at a specific column? I would like
to do this to show progress in an analysis done with mclapply() on
multiple cores and, preferably, display each core (7) at a fixed
position in a line.

How these are interpreted is a matter for the terminal/console. Some terminals 
have escape sequences to do that, but most consoles do not.

You don't know by any chance if terminal on Yosemite has these?

Depends what terminal you set it to emulate, but likely yes. See e.g. http://www.termsys.demon.co.uk/vtansi.htm .


Thanks,

Rainer



Thanks,

Rainer



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--
Brian D. Ripley,                  rip...@stats.ox.ac.uk
Emeritus Professor of Applied Statistics, University of Oxford
1 South Parks Road, Oxford OX1 3TG, UK


--
Brian D. Ripley,                  rip...@stats.ox.ac.uk
Emeritus Professor of Applied Statistics, University of Oxford
1 South Parks Road, Oxford OX1 3TG, UK

______________________________________________
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.

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