Hi All,
I have a problem with reading in multiple text files where some of the files
have no data and was hoping someone may be able to help me find a solution.
Each text file is a daily log of fish movement. However, on some occasions
no movements will be recorded on a particular day and therefore the text
file for that day is empty.
I'm currently using the following code to read the files:
a<-list.files()
x<-lapply(a,function(x){read.table(x,colClasses='character')}) #the
colClasses is to ensure zeros at the beginning of tag numbers are included
myData<-do.call(rbind, x)
This works fine as long as all the files being read have data in them, but
if one of the empty log files is included it returns the following error:
Error in read.table(x, colClasses = "character", blank.lines.skip = TRUE) :
no lines available in input
Does anyone know of a way that I can overcome this (maybe skip empty files
somehow?) without having to manually trawl through the hundreds of files I
have to remove the empty ones?
Thanks in advance,
Paul
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