Re: Native file exist check

[Andrew J. Schorr]

On Fri, Jun 05, 2020 at 10:25:55AM -0500, Neil R. Ormos wrote:
> Neil R. Ormos wrote:
> > Peng Yu wrote:
> > 
> > > https://stackoverflow.com/questions/29284472/awk-check-file-exists
> > >
> > > The following solution is shown above. But getline could potentially
> > > read too much (for example processing a binary file in which a line
> > > can be very long). [...]
> > 
> > Consider whether setting RS to "." resolves the concern that getline might 
> > read "too much".
> > 
> >   <https://www.gnu.org/software/gawk/manual/gawk.html#gawk-split-records>
> > 
> 
> CORRECTION:  Consider whether setting RS to ".." resolves the concern that 
> getline might read "too much".
> 
> At least for gawk.

Yes -- that works well. I had tried ".*", which does not work, for reasons that
are not obvious to me.