[Rd] Request for showWarnings parameter for write.table

Leif Kirschenbaum leif at reflectivity.com
Mon Feb 27 22:41:14 CET 2006

Madams & Sirs,
  I use write.table to write CSV files to generate reports for my colleagues to open in their spreadsheet application of choice.  I often append data of dissimilar structure to the same file, i.e. a few summary lines and then additional data of some number of columns.

Normally write.table produces:
> write.table(etest[,writevars],file=fname,row.names=FALSE,col.names=TRUE,
Warning message:
appending column names to file in: write.table(etest[, writevars], file = fname, row.names = FALSE,  

Therefore I resort to:

> options(warn=-1)
> write.table(etest[,writevars],file=fname,row.names=FALSE,col.names=TRUE,append=TRUE,sep=",")
> options(warn=0)

However I thought that perhaps a parameter such as included for dir.create would be more elegant:
> write.table(etest[,writevars],file=fname,row.names=FALSE,col.names=TRUE,

where showWarnings would default to TRUE.

Please cc: replies to leif at reflectivity.com

Thank you.

Leif Kirschenbaum
Senior Yield Engineer
Reflectivity, Inc.
(408) 737-8100 x307
leif at reflectivity.com

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