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 | |