adjusting file output format
adjusting file output format


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Former-commit-id: b06c415b74a8db0aba4e2569bb507ebc602668cc
Former-commit-id: c5fc55310b86e482f106713433b199ae039cd5a8
neurodata/ndgrutedb,openconnectome/m2g,neurodata/ndgrutedb,openconnectome/m2g,neurodata/ndgrutedb,openconnectome/m2g,openconnectome/m2g,openconnectome/m2g,neurodata/ndgrutedb,neurodata/ndmg,openconnectome/m2g,openconnectome/m2g,openconnectome/m2g,neurodata/ndgrutedb,neurodata/ndgrutedb,neurodata/ndgrutedb,neurodata/ndgrutedb