On 5/20/2012 5:37 PM, Gabor Grothendieck wrote:
<snip>
Unfortunately this is getting increasingly complex due to the
non-standard evaluation done by dataframes2xls but if you want to do
it then this will do it. We copy dataframes2xls to the current
environment and reset write.xls's environment so that it finds the
arguments.
run<- function(x1, x2, file){
df.names<- paste0(deparse(substitute(x1)), ":::", deparse(substitute(x2)))
# copy dataframe2xls namespace contents here& reset environment of
write.xls
here<- environment()
ns<- asNamespace("dataframes2xls")
for(nm in ls(ns)) here[[nm]]<- ns[[nm]]
environment(write.xls)<- here
x23<- quote(c(x1, x2))
do.call("write.xls", list(x23, file, sh.names = df.names))
}
library(dataframes2xls)
df1<- data.frame(c1=1:2, c2=3:4, c3=5:6)
df2<- data.frame(c21=c(10.10101010101,20, 3), c22=c(50E50,60, 3) )
outFile<- 'df12.xls'
run(df1, df2, outFile)
Thanks very much. I got this to work. However, I discovered three
other problems with write.xls:
(1) With "\n" in a character string in the data.frame, it fails
to write a file, noting, "Infile name is not a valid csv file" without
throwing an error.
(2) With "," in a character string in the data.frame, it splits
that element over multiple columns, thereby corrupting what is written.
(3) It insists on quoting all all character strings. I don't
need or want those extraneous quotes, but I don't know how to get rid of
them.
I've modified the code to gsub('\n|,', ' ', strings); this
provides an acceptable fix to the first two problems. I plan to ignore
the third if I can't fix it.
Thanks again,
Spencer
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