On Fri, 26 Oct 2007, Ken Termiso wrote: > Hello all, > > I'm using the following scan() parameters on a tab-separated text file that > was generated by R. > > temp_file <- scan(file = outfile, sep="\t", what = character(), skip = 1, > nlines = 1) > > The problem is that within some cells, there are cases where there are > three frontslashes ( /// ). However, the file itself is tab-separated, > and the exact problem is that even if I specify sep="\t" in the argument > to scan(), whenever it encounters a /// it overrides the tab separation, > and uses the /// as the separator. Then within that column, I see a > bunch of /t in the output, and no ///. There are also some cells with > two frontslashes ( // ), but scan handles them just fine. >
I do not see that. > ### 10 lines of "//\t///" > cat(file="tmp.dat", rep(paste(c("//","///"),collapse='\t'),10),sep='\n') > scan('tmp.dat',sep='\t',what='a') Read 20 items [1] "//" "///" "//" "///" "//" "///" "//" "///" "//" [10] "///" "//" "///" "//" "///" "//" "///" "//" "///" [19] "//" "///" > > version _ platform i386-pc-mingw32 arch i386 os mingw32 system i386, mingw32 status major 2 minor 6.0 year 2007 month 10 day 03 svn rev 43063 language R version.string R version 2.6.0 (2007-10-03) > As it says: "PLEASE do ... provide commented, minimal, self-contained, reproducible code." Chuck > I've tried many, many other combinations of parameters, but have not found > the right one. > > I know this shouldn't be a problem, b/c read.csv() and read.table() call > scan(), and when calling them, such as: > > abc <- read.table(outfile, sep="\t", header=T) > > ...I don't have the problem. The /// show up in the output verbatim, and the > /t are used as proper delimiters. > > If anyone can tell me which parameter I am missing in scan(), I would be very > grateful. I'd prefer not to have to use make.names() to handle the slashes. > > Thanks in advance for any help, > -Ken > > _________________________________________________________________ > [[replacing trailing spam]] > > ilnews > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > 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. > Charles C. Berry (858) 534-2098 Dept of Family/Preventive Medicine E mailto:[EMAIL PROTECTED] UC San Diego http://famprevmed.ucsd.edu/faculty/cberry/ La Jolla, San Diego 92093-0901 ______________________________________________ R-help@r-project.org mailing list 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.