try this: (?try)
name_c<-Sys.glob("C:/Documents and Settings/lma/My
Documents/habitdata/*/calllog/*")
for (i in 1:length(name_c)){
log1<-try(readLines(name_c[i]))
if (inherits(log1, 'try-error')) next # skip if error
....
write.table(Temps, file=paste("C:/Documents and Settings/lma/My
Documents/habitdata1",pname,lname,basename(name_c[i]),sep="/"))
}
On Fri, Oct 2, 2009 at 7:04 AM, Tammy Ma <metal_lical...@live.com> wrote:
>
> Hi, R-users,
>
>
> I have a problem: Because there are few files which can't be readed
> into R completely, so on the following subsequence programme, I use
> write.table, which creates the "NA" files for those incomplete files
> autimatically.
> I don't want those NA files.
>
> My programes formats looks like:
>
>
>
> name_c<-Sys.glob("C:/Documents and Settings/lma/My
> Documents/habitdata/*/calllog/*")
>
> for (i in 1:length(name_c)){
>
> log1<-readLines(name_c[i])
> ....
>
> write.table(Temps, file=paste("C:/Documents and Settings/lma/My
> Documents/habitdata1",pname,lname,basename(name_c[i]),sep="/"))
>
> }
>
>
> Error Information:
> Error in file(file, ifelse(append, "a", "w")) :
> cannot open the connection
>
> In file(file, ifelse(append, "a", "w")) :
> cannot open file 'C:/Documents and Settings/lma/My
> Documents/habitdata1/NA/NA/NA': Permission denied
>
>
> I have checked why the error appears, because when I use "readLines" to read
> data, but when processing the large data set, there are few files which can
> not be readed in completely:
>
> 48: In readLines(name_c[i]) ... :
>
> incomplete final line found on 'C:/Documents and Settings/lma/My
> Documents/habitdata/244052900243997/calllog/calllog_log-20050505T121611.txt'
> ...
>
>
> So it create the "NA" file when implementing the subsequence procedure by
> write.table.How can I do: whenever readLines can't completely read one file,
> then autimatically doesn't implement the subsequence programmes?
>
> Thanks.
> Tammy
> _________________________________________________________________
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>
> ______________________________________________
> R-help@r-project.org mailing list
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem that you are trying to solve?
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