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#!/usr/bin/env python
import sys
def parse(s):
return set([x.strip() for x in s.split() if x.strip()])
def solve(board_envs, app_envs):
if not app_envs:
return board_envs
envs = set()
if '*' in app_envs:
envs.update(board_envs)
app_envs.discard('*')
for e in app_envs:
if e.startswith('-'):
envs.discard(e[1:])
elif e in board_envs:
envs.add(e)
return envs
def main(name, board_envs, app_envs):
# Parse args
board_envs = parse(board_envs)
app_envs = parse(app_envs)
# Solve
envs = solve(board_envs, app_envs)
# Result
print ' '.join(envs)
if __name__ == '__main__':
main(*sys.argv)
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