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Print list of empty columns

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This commit is contained in:
Jeff Moe 2024-09-19 19:05:54 -06:00
parent e551aa88a8
commit cf58685e23
1 changed files with 20 additions and 0 deletions
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20
hsparse/parse_csv_contacts.py
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@ -45,6 +45,13 @@ def parse_args():
action="store_true",
)
parser.add_argument(
"-e",
"--empty",
help="List empty columns",
action="store_true",
)
parser.add_argument(
"-f",
"--fields",
@ -62,6 +69,16 @@ def csv_dump(CSV):
print(chunk.to_string())
def csv_empty(CSV):
df = pd.read_csv(CSV, low_memory=False, header=0)
empty_columns = [col for col in df.columns if df[col].isnull().all()]
if empty_columns:
print("Empty columns:")
print("\n".join(empty_columns))
else:
print("No empty columns found.")
def csv_fields(CSV):
df = pd.read_csv(CSV, low_memory=False, header=0)
print("\n".join([col for col in df.columns]))
@ -74,6 +91,9 @@ def main():
if args.dump:
csv_dump(CSV)
if args.empty:
csv_empty(CSV)
if args.fields:
csv_fields(CSV)