Re: big file warning if compressed

[Kevin Rodgers]

Richard Stallman wrote:
>     Normally upon trying to open a large file, we get a warning like "file
>     is bigger than XX MB, proceed?". However, the same file, if
>     compressed, won't cause the warning upon attempts to open/view it.
>
> That is because Emacs has no way of telling how big it is
> until after uncompressing it.

That's not really true: GNU zip has the --list option, which generates
output like:

compressed  uncompr. ratio uncompressed_name
 12574759  58689536  78.5% foo.txt

--
Kevin