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#! /usr/bin/env python3
import fileinput
import re
def read_lines():
for line in fileinput.input():
yield line.strip()
def filter_options(inp):
for line in inp:
if re.match(r'^\s*\-', line):
yield line
def concat_options(inp):
full_line = None
for line in inp:
if line.startswith('-') or line == '':
if full_line:
yield full_line
full_line = line
else:
if full_line:
full_line += ' ' + line
yield full_line
def format_options(inp):
maxlen = 0
col1 = []
col2 = []
for line in inp:
m = re.match(r'^((\-\w,\s)?\-\-\S+)\s+(.+)$', line)
if m:
maxlen = max(maxlen, len(m.group(1)))
col1.append(m.group(1))
col2.append(m.group(3))
for c1, c2 in zip(col1, col2):
print(('{:<' + str(maxlen + 2) + '}{}').format(c1, c2))
format_options(
filter_options(
concat_options(
read_lines())))
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