The change in r42731 eliminating the final blank line when writing DCF files changes the way 'append' can be used in 'write.dcf' and I was wondering if this is intentional. Basically, I want to write a data frame to DCF format one row at a time, so I make use of repeated calls to 'write.dcf(append = TRUE)'. However, in R 2.6.0RC the resulting DCF file is not formatted properly because there are no blank lines between the entries.
It seems the only way to use 'write.dcf(append = TRUE)' is to explicitly write a blank line to the file before writing the entry. Perhaps 'write.dcf' could be changed to write a blank line in the beginning if append = TRUE? I've attached a patch for this possibility. -roger -- Roger D. Peng | http://www.biostat.jhsph.edu/~rpeng/
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