52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
|
#!/usr/bin/env python3
|
||
|
|
import re
|
||
|
|
|
||
|
|
INPUT_FILE = 'input'
|
||
|
|
|
||
|
|
cd_pattern = '^\$\scd (.*)$'
|
||
|
|
ls_pattern = '^\$ ls$'
|
||
|
|
dir_pattern = '^dir .*$'
|
||
|
|
file_pattern = '^(\d+) .*$'
|
||
|
|
|
||
|
|
def main():
|
||
|
|
content = map(str.strip, open(INPUT_FILE, 'r').readlines())
|
||
|
|
cwd = ['']
|
||
|
|
folders = {}
|
||
|
|
for line in content:
|
||
|
|
if re.match(dir_pattern, line) or re.match(ls_pattern, line):
|
||
|
|
# ignore `dir a` and `$ ls`
|
||
|
|
continue
|
||
|
|
cd = re.match(cd_pattern, line)
|
||
|
|
if cd:
|
||
|
|
new_dir = cd.group(1)
|
||
|
|
if new_dir == '..':
|
||
|
|
cwd.pop()
|
||
|
|
else:
|
||
|
|
cwd.append(new_dir)
|
||
|
|
folders['/'.join(cwd)] = 0
|
||
|
|
print('/'.join(cwd))
|
||
|
|
continue
|
||
|
|
file_match = re.match(file_pattern, line)
|
||
|
|
if file_match:
|
||
|
|
filesize = int(file_match.group(1))
|
||
|
|
for n in range(len(cwd), 0, -1):
|
||
|
|
try:
|
||
|
|
folders['/'.join(cwd[:n])] += filesize
|
||
|
|
except KeyError:
|
||
|
|
continue
|
||
|
|
|
||
|
|
else:
|
||
|
|
print('ERROR: No regex matched for {}'.format(line()))
|
||
|
|
print(folders)
|
||
|
|
dir_sum = 0
|
||
|
|
for key in folders.keys():
|
||
|
|
if folders[key] <= 100000:
|
||
|
|
dir_sum += folders[key]
|
||
|
|
print(key, dir_sum)
|
||
|
|
print(dir_sum)
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
main()
|