allowing the users to change a data-file is courting disaster

And who are "the users" in this case? "Disaster" is a little dramatic don't you think?

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
"I'd rather go naked than blow up my ass"

In reply to Re^3: A generic biomedical data processing library by BrowserUk
in thread A generic biomedical data processing library by spiros

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