Missing words: Use 'TRUE' and 'FALSE' instead of 'T' and 'F' >to avoid< this sort of problem
Bill Dunlap TIBCO Software wdunlap tibco.com On Mon, Jul 27, 2015 at 1:50 PM, William Dunlap <wdun...@tibco.com> wrote: > This will happen if you have redefined 'T': > > T <- 101:104 > > write.table(df, file="junk.txt", sep=",", append=T, quote=F, > row.names=F, col.names=F) > Error in file(file, ifelse(append, "a", "w")) : invalid 'open' argument > Use 'TRUE' and 'FALSE' instead of 'T' and 'F' this sort of problem. > > > Bill Dunlap > TIBCO Software > wdunlap tibco.com > > On Mon, Jul 27, 2015 at 1:32 PM, Waichler, Scott R < > scott.waich...@pnnl.gov> wrote: > >> Hi, >> >> For years I've been writing text to the beginning of files with >> cat(append=F) , then following that text with data written by >> write.table(append=T). It is now giving me an error message. I'm using >> R-3.1.2. What gives? >> >> df <- data.frame(x = 1, y = 1:10, z = 10:1) >> cat(file="junk.txt", sep="", "# An introductory note.\n") >> write.table(df, file="junk.txt", sep=",", append=T, quote=F, row.names=F, >> col.names=F) >> >> Error in file(file, ifelse(append, "a", "w")) : invalid 'open' argument >> >> Thanks, >> Scott Waichler >> Pacific Northwest National Laboratory >> Richland, WA USA >> >> ______________________________________________ >> 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. >> > > [[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.
