Is it really a .Rdata file? If so, the answer is no, AFAIK, since .Rdata files are serialized (binary) versions of e.g. worksheets that can contain many different data objects. "colnames" has no meaning in this context.
Corrections welcome if I have it wrong! Cheers, Bert Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) On Wed, Mar 16, 2016 at 8:59 AM, Lida Zeighami <lid.z...@gmail.com> wrote: > Hi, > I have a huge .RData file and I need just to get the colnames of it. so is > there any way to reach the column names without loading or reading the > whole file? > Since the file is so big and I need to repeat this process several times, > so it takes so long to load the file first and then take the colnames! > > Thanks > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.