The current info method of the ntfs.fileslack module lacks some information, that the user would need to thoughfully handle fileslack. My suggestion would be to unify the output to match the output of the fat.fileslack module.
For instance:
$ fishy -d testfs-fat12.dd fileslack -d another -m /tmp/foo -i
File: another
Occupied in last cluster: 4
Ram Slack: 508
File Slack: 1536
The current info method of the ntfs.fileslack module lacks some information, that the user would need to thoughfully handle fileslack. My suggestion would be to unify the output to match the output of the fat.fileslack module.
For instance: