[R] seek(), Windows and Cygwin (was a UNIX vs. Windows package question, please)

2015-01-13 Thread Mike Miller
On Fri, 9 Jan 2015, Duncan Murdoch wrote: On 09/01/2015 5:32 PM, Erin Hodgess wrote: Hello again. Here is another question that I am puzzled about: I had the (incorrect) impression that if I had Rtools on a Windows machine that I could use any tar.gz package. However, that is not true.

Re: [R] seek(), Windows and Cygwin (was a UNIX vs. Windows package question, please)

2015-01-13 Thread Jeff Newmiller
I don't know why the R developers made that comment, and R-devel is probably a better place to follow up, but the usual problem is that Windows treats text files differently than binary files, so seeking n text files is a headache. Binary files ought to be okay, but that is a theoretical

Re: [R] seek(), Windows and Cygwin (was a UNIX vs. Windows package question, please)

2015-01-13 Thread Henrik Bengtsson
I/we've been utilizing both read and write seek():s on *binary* connections across platforms and file systems, including Windows (at least NTFS, but probably also FAT/FAT32 back in the days) in the Aroma Framework (e.g. affxparser, R.huge) for ~8 years and counting. There should be thousands and

Re: [R] seek(), Windows and Cygwin (was a UNIX vs. Windows package question, please)

2015-01-13 Thread Mike Miller
Thanks, everyone. This is very good news from Henrik because I am interested only in binary connections. It sounds like a function that uses seek() is very likely to work well in Windows, so I won't bother to warn people. I should do a little testing just to see that it's working, though.

Re: [R] seek(), Windows and Cygwin (was a UNIX vs. Windows package question, please)

2015-01-13 Thread Henrik Bengtsson
On Tue, Jan 13, 2015 at 2:05 PM, Mike Miller mbmille...@gmail.com wrote: Thanks, everyone. This is very good news from Henrik because I am interested only in binary connections. It sounds like a function that uses seek() is very likely to work well in Windows, so I won't bother to warn