[Rd] missing SIGWINCH?

From: Jon Stearley <jrstear_at_sandia.gov>
Date: Tue 31 Oct 2006 - 19:48:08 GMT

I have an R library which uses identify() and system(com="xterm -e less /a/corresponding/file") to view files when I click on an x11() plot. I can successfully resize the xterm on Linux (i486) and Macos 10.4 (G4 and G5), but NOT Macos 10.4 (Intel). For example, on a new mac pro:

# in a terminal,xterm,iterm,etc:

xterm -e "printenv | less"
# the resulting xterm resizes fine - eg text wraps at resized window
boundaries. so i don't think the problem is in xterm (?)

# BUT, in R:

system(com="xterm -e 'printenv | less'")
# the resulting xterm DOES NOT resize fine - eg text does not wrap at
resized window boundaries.

these both work fine on the other platforms, and i don't see any obviously important differences in the environment variables. i have confirmed this behaviour on two different out-of-the-box mac pros. perhaps there is a peculiarity with R's system() on macos/intel (i have no idea)?

not being able to resize the resulting xterm turns out to be a major bummer for my application - any help towards debugging this would be much appreciated. thank you!

| Jon Stearley                  (505) 845-7571  (FAX 844-9297) |
| Sandia National Laboratories  Scalable Systems Integration   |

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Received on Wed Nov 01 06:54:21 2006

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