[R-SIG-Mac] Sweave Error

[Keith Jones]

Hi,

I have an iMac 2.8 GHz intel Core 2 Duo, 2GB 800 MHz SDRAM, OSX  
10.5.8, TeXShop 2.36, and R 2.11.1.  I have all the Sweave files in  
the TeXShop ~/Engines folder.

It has been six or seven months since I last tried to compile a Rnw  
file in TeXShop and now I get the following error:

/Users/keithjones/Library/TeXShop/Engines/Sweave.engine does not have  
the executable bit set.

It worked fine the last time I used it.  Has something changed in the  
OS?  How do I set the executable bit?

Thanks,


Keith Jones

"It is Important to understand what you CAN DO before you learn to  
measure how WELL you seem to have DONE it." John Tukey