## S3 method for class 'default':
popBackupFile(filename, path=NULL, suffix=".bak", isFile=TRUE, onMissing=c("ignore", "error"), drop=TRUE, ..., verbose=FALSE)character string specifying what to do if the
backup file does not exist.TRUE, the backup file will be dropped in case
the original file already exists or was successfully restored.pushBackupFile() for more details and an example.