vgrange
9/28/2017 - 1:47 PM

pandas dataframe

import pandas as pd

# http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.from_csv.html
# nrows useful to test on sample first
df = pd.read_table('value.csv', sep=",", nrows=1000)

# index=False avoids writing leading index column
df.to_csv(OUTPUT_FILENAME, sep=',', index=False)