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#!/usr/bin/env python
import os
import sys
import getopt
import json
outfile = "merged.json"
try:
opts, args = getopt.getopt(sys.argv[1:], "o:")
except getopt.GetoptError as err:
print str(err) # will print something like "option -a not recognized"
sys.exit(2)
for o, a in opts:
if o == "-o":
outfile = a
merged = dict()
for f in args:
if not os.path.exists(f):
print "WARN: %s does not exist", f
fp = open(f, "r")
d = json.load(fp)
fp.close()
for key in d:
print key,
if merged.has_key(key):
print "WARNING: merged already has key", key
merged[key].update(d[key])
else:
merged[key] = d[key]
print merged
print
fp = open(outfile, "w")
json.dump(merged, fp, indent=4, sort_keys=True)
fp.close()
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