Re: [R] write.table with append=T after using cat on same file

Hi Your example works for me. Error is on your side. Try ?traceback or start with plain R -vanilla or upgrade R. > sessionInfo() R Under development (unstable) (2015-06-15 r68521) Platform: i386-w64-mingw32/i386 (32-bit) Running under: Windows XP (build 2600) Service Pack 3 locale: [1] LC_COLLA

Re: [R] write.table with append=T after using cat on same file

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 wrote: > This will happen if you have redefined 'T': > > T <- 101:104 > > write.table(df, file="junk.tx

Re: [R] write.table with append=T after using cat on same file

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. Bil

Re: [R] write.table with append=T after using cat on same file

I do not get an error with R-3.2.1 on Mac OS. You may have done something prior to this code so that perhaps F is not FALSE or T is not TRUE. R. Mark Sharp, Ph.D. msh...@txbiomed.org > On Jul 27, 2015, at 3:32 PM, Waichler, Scott R > wrote: > > Hi, > > For years I've been writing text t