Can I get the hash for my data without adding it to IPFS?

[rwaltr]

more for curiosities sake. But it would be nice to see the hash before making the final write.

[RichardLitt]

Do you mean something like ipfs ls <hash>, ipfs get <hash>, or ipfs refs <hash>? All of these work with existing hashes. Or you could check on the gateway.

If you're curious about getting a hash of your data without adding the content to IPFS, and then checking; I'm not sure if that is possible at the moment. Someone else will know more.

[rwaltr]

Your second paragraph is what I'm looking for.

[RichardLitt]

Renamed it to be a bit clearer. Let me know if that's not OK!

[RichardLitt]

It looks like ipfs add <data> -n would work for you. From ipfs add -h:

  -n,     --only-hash           bool   - Only chunk and hash - do not write to disk. Default: false.

[rwaltr]

badass, Thanks a ton. I havent actually deployed IPFS yet, so I couldnt see the --help :/

[RichardLitt]

Just tested. This works as you would expect - I got the hash, but was unable to get it locally or through the gateway.

[victorb]

You can use the `-n` flag to `ipfs add` to just chunk and hash the file and not add it to IPFS. ``` -n, --only-hash bool - Only chunk and hash - do not write to disk. ```

…

On Tue, Feb 14, 2017 at 5:13 PM, Ryan Walter ***@***.***> wrote: Your second paragraph is what I'm looking for. — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#227 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AAcD9OS97RvYNZZ2dzbGCDnz6JPXLUIcks5rcdKmgaJpZM4MAGew> .

[flyingzumwalt]

This issue was moved to https://discuss.ipfs.io/t/can-i-get-the-hash-for-my-data-without-adding-it-to-ipfs/269