One can see the full extent of the brokenness of the command (in all
versions I've seen) using
#!/usr/bin/env python3
from itertools import combinations, chain, repeat
from subprocess import check_output as sco
import json
cmd = ['lshw', '-json', '-quiet']
classes = 'system bus memory processor bridge display generic multimedia
storage network'.split()
if __name__ == '__main__':
for flags in chain(*(combinations(classes, n) for n in
range(len(classes)))):
flags = chain(*zip(repeat('-c'), flags))
flags = list(flags)
if True:
try:
json.loads(sco(cmd + flags))
print(" ".join(flags), "was OK")
except json.decoder.JSONDecodeError as e:
print(' '.join(flags))
print(e)
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https://bugs.launchpad.net/bugs/1405873
Title:
-json output not valid when -class filter used
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