need api for combine two files in kubo

[hunjixin]

Checklist

• My issue is specific & actionable.
• I am not suggesting a protocol enhancement.
• I have searched on the issue tracker for my issue.

Description

I have a requirement for uploading large files in chunks, but I have found that there is no suitable interface in the existing implementation for the final file merging.

[lidel]

@hunjixin If you are ok with append-only process, and building trickle-DAG instead of a balanced-DAG, you may try using MFS and /api/v0/files/write (HTTP RPC) or ipfs files write (CLI).

If this is not enough, propose the command you'd like to see.

[hunjixin]

@hunjixin If you are ok with append-only process, and building trickle-DAG instead of a balanced-DAG, you may try using MFS and /api/v0/files/write (HTTP RPC) or ipfs files write (CLI).

If this is not enough, propose the command you'd like to see.

mfs is great but not enough. my demand is split a large file to many smaller chunk. user send chunk file one by one,and my serve put this chunk file to mfs, if user upload all chunks, my server need to recover the file from this chunks. but i dont want to read file from ipfs again and append this chunk to a mfs file in ipfs, i want a api to combine files in ipfs.
this can be more efficient for my serve.

If you think this is reasonable, I can implement one.

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[github-actions]

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