[R] Command that is conditional upon file retrieval: is it possible?

Hi all, I'm currently working on an R program where I have to access an FTP server to download some of the data I need. However, the people who post up the files I access are at times inconsistent with regards to time posted, if they post at all, etc Here's some of the code I use:

Re: [R] Command that is conditional upon file retrieval: is it possible?

On Jul 21, 2010, at 5:33 PM, AndrewPage wrote: Hi all, I'm currently working on an R program where I have to access an FTP server to download some of the data I need. However, the people who post up the files I access are at times inconsistent with regards to time posted, if they