drsxr

#This works.  Yields the last line of the file as a string without reading the entire file into memory.
#Use a parsing function to separate returned data by commas to select the desired element.

import os

def get_last_line_records_of_file(identifier_data):
    filepath = linux_path+"/"+identifier_data+".csv"
    try:
        with open(filepath,'rb') as f:
            f.seek(-1,os.SEEK_END)