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antonagestam/exports.py

Last active February 24, 2020 15:57
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Make bash export statements from docker env file
Raw
exports.py
"""
$ python3 export.py <(echo -e '# this is a comment\nKEY=value123')
export KEY='value123'
$ (. <(python3 export.py <(echo 'KEY=value123')) && echo $KEY)
value123
"""
import re
import fileinput
pattern = re.compile("^(?P<key>[A-z_]+)=(?P<value>.+)$", re.M)
for line in fileinput.input():
if match := pattern.fullmatch(line.strip()):
print(f"export {match.group('key')}='{match.group('value')}'")
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