gistfile1.sh

#!/bin/bash

CANON=/tmp/canon.json

cat >$CANON <<EOF
#!/usr/bin/env python

import json
import os
import sys

def slurp(path):
    '''
    Return the contents of a file as a string.

    Python 2.4 complient.
    '''
    try:
        f = open(path)
        text = f.read()
        f.close()
        return text.strip()
    except:
        print(exc_info()[1])
        exit(1)

def main(path):
    obj = json.loads(slurp(path))
    with open(path, 'wb') as f:
        f.write(json.dumps(obj, indent=2, sort_keys=True).replace(' \n', '\n'))
        f.write('\n')
        f.flush()
        os.fsync(f)

if __name__ == '__main__':
    if len(sys.argv) != 2:
        print >>sys.stderr, 'usage: %s FILE' % sys.argv[0]
        exit(1)
    exit(main(sys.argv[1]))
EOF


A="`mktemp`"
B="`mktemp`"

cat $1 >$A
cat $2 >$B

python $CANON $A
python $CANON $B

git diff --no-index --color=auto $A $B

rm -f $A $B