[[!comment format=mdwn username="https://me.yahoo.com/a/EbvxpTI_xP9Aod7Mg4cwGhgjrCrdM5s-#7c0f4" subject="comment 2" date="2016-02-19T20:06:19Z" content=""" yes -- json output would probably be the best I know that other --batch functions do not take json input, but I wonder if it might make sense here as well? smth like {'file': 'filename', 'add-field': {'field1': 'value1'}, 'remove-field': ..., 'add-tag': ['tag1', 'tag2'], 'remove-tag': ['... and so on. """]]