Updating a file using CIS API

Hi,
Is there any CIS API that lets you overwrite an existing file in the UCM. the idea is, not to checkin a new revision but to overwrite the exiting one.
I looked at update API (ISCSDocumentUpdateAPI ) but it can only update the attributes of document not the file that is associated with it.
I also couldn't update it through the UCM web interface, so I'm thinking that maybe UCM does not allow such a thing and you always have to create a new revision no matter what. Is this a right conclusion? I hope not.
Any feedback is appreciated.

Hi Sapan
Thanks for your feedback.
well, in some other similar systems (e.g. sharepoint) it is possible to overwrite contents if needed.
I can imagine many cases that one would want to update the content of certain version without changing the version.(if there is a concept of history of activities on the document then this can be logged or traced there).
Or sometime one might want to disable versioning for a certain document or folder completely in the system.
Anyway, I don't want to question UCM's approach but more to know the boundaries.
You mentioned it might be possible through Java. Do you mean CIS package or something else?
can you please elaborate more on this.
Regards,

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Thanks for your feedback.
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