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solution2.py
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executable file
·53 lines (39 loc) · 1.26 KB
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#!/usr/bin/env python3
"""Low-memory Howler"""
import argparse
import os
import io
import sys
# --------------------------------------------------
def get_args():
"""get command-line arguments"""
parser = argparse.ArgumentParser(
description='Howler (upper-cases input)',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('text',
metavar='text',
type=str,
help='Input string or file')
parser.add_argument('-o',
'--outfile',
help='Output filename',
metavar='str',
type=str,
default='')
args = parser.parse_args()
if os.path.isfile(args.text):
args.text = open(args.text)
else:
args.text = io.StringIO(args.text + '\n')
return args
# --------------------------------------------------
def main():
"""Make a jazz noise here"""
args = get_args()
out_fh = open(args.outfile, 'wt') if args.outfile else sys.stdout
for line in args.text:
out_fh.write(line.upper())
out_fh.close()
# --------------------------------------------------
if __name__ == '__main__':
main()