azadag
1/14/2016 - 12:34 AM

batch_import From http://stackoverflow.com/questions/30608177/how-to-read-every-csv-file-in-r-and-export-them-into-single-large-file

batch_import From http://stackoverflow.com/questions/30608177/how-to-read-every-csv-file-in-r-and-export-them-into-single-large-file

batch_import.r
content_copyfile_download
# Get vector of files names to read
files.to.load = list.files(pattern="csv$")

# Read the files
df.list = lapply(files.to.load, function(file) {
   df = read.table(file, sep = ',', fill=TRUE, col.names=paste("V", 1:18,sep=""))
   ... # Cleaning and formatting code goes here
   df$file.name = file  # In case you need to know which file each row came from
   return(df)
})

# Combine into a single data frame
df.combined = do.call(rbind, df.list)