csv-field.py

#!/usr/bin/python

# Copyright (c) 2020, Intel Corporation
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# print csv fields from csv
# csv-field.py field1 ... fieldN < csv
from __future__ import print_function
import csv
import sys
import fnmatch

def dictopen(f):
    #dialect = csv.Sniffer().sniff(f.read(1024))
    #f.seek(0)
    #return csv.DictReader(f, dialect=dialect)
    return csv.DictReader(f)

c = dictopen(sys.stdin)
for j in c:
    for f in sys.argv[1:]:
        try:
            if "*" in f:
                for k in j.keys():
                    if fnmatch.fnmatch(k, f):
                        print(j[k])
            else:
                print(j[f])
        except KeyError:
            print("?")
    print()