| import re | |
| def rmSpace(txt): | |
| txt = re.sub(r"([^a-z0-9.,]) +([^ ])", r"\1\2", txt) | |
| return re.sub(r"([^ ]) +([^a-z0-9.,])", r"\1\2", txt) | |
| def findMaxDt(fnm): | |
| m = "1970-01-01 00:00:00" | |
| try: | |
| with open(fnm, "r") as f: | |
| while True: | |
| l = f.readline() | |
| if not l: | |
| break | |
| l = l.strip("\n") | |
| if l == 'nan': | |
| continue | |
| if l > m: | |
| m = l | |
| except Exception as e: | |
| print("WARNING: can't find " + fnm) | |
| return m | |