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fsync is not avaliable in io.*

try to use flush()

local f ='file.txt', 'w')
f = nil

---- Em Seg, 19 set 2022 12:40:15 -0300 Tomas Mudrunka <> escreveu ---

i have Lua script on Linux that opens file handle using,
writes to it using :write() and closes it using :close().

I really need way to call fsync() on that file descriptor.

Either as an argument, eg.: file:write(true) file:close(true)
or as separate call file:sync(). Is there way to do that?
If not, can you see this being added in the future?

I know as a workaround i can call os.execute("sync");
But that triggers system wide sync of all files and filesystems, which
is not really desirable.

S pozdravem
Best regards
Tomáš Mudruňka