Re: How to get file size?

[steve donovan <steve.j.donovan@...>]

On Tue, Apr 19, 2011 at 11:35 AM, Gilles Ganault <gilles.ganault@free.fr> wrote:
> libs_file = io.open("librt.so.0","r")
> print(fsize(libs_file))
> libs_file:close()
> ===========
>
> Am I missing some module it needs for file operation?

Not at all, you probably have not provided the full path to that
shared library, so libs_file ended up nil.

A tip: always say

f,err = io.open(...)

and check what err is when f is nil.

Some people do this

f = assert(io.open(...))

which does the job

steve d.