Append only existing files to the list of files.
Context:
By existing files I mean the ones that actually exist on the hard drive of a computer.
The sentence is a command (imperative).
I would presume that your reader already knows that there's a list of files, so I'd write Append only existing files to the list. CJ
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I would presume that your reader already knows that there's a list of files, so I'd write
Append only existing files to the list.
CJ