Re: [R] re ad and check table

2008-07-18 Thread Henrique Dallazuanna
Maybe something like this: stopifnot(tail(unlist(strsplit("slides.pdf", "\\.")), 1) == "txt") On Fri, Jul 18, 2008 at 12:51 PM, mysimbaa <[EMAIL PROTECTED]> wrote: > > Dear R users, > I want to read a file like following : > > if it is a table then z <- read.table(pathname, dec=".", header=TRUE)

[R] re ad and check table

2008-07-18 Thread mysimbaa
Dear R users, I want to read a file like following : if it is a table then z <- read.table(pathname, dec=".", header=TRUE) else if it's not a table (image,doc,...) then send an error or something like that acually I have a read.table in the beginnig of my R code, and if my data is not a table I