usage: python anonymizer.py filename [$'delim']
For example,
> python test.txt $'\t'
Select column indices (separated by comma) to hash:
0. ClientName
1. PatientName
2. PatientGender
3. DiagnosisCode
4. ProcedureCode
(column indices): 1, 2
...
INFO: Anonymized data are in myfile_anonymized.csv
>