Re: Shell Script help for backup

You can do 'zcat < file' to prevent the *.Z requirement. Yes, head -n
should work fine.

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ratlhead wrote:
> strange(at)nsk(dot)yi(dot)org wrote in message news:<20020723150902(dot)A5173(at)nsk(dot)yi(dot)org>...
> > What's wrong with the solution I sent?
> >
> > And I doubt the checking for a 0k file will work for you as gzip will
> > create a 20 byte file even for a 0 byte input (some headers, etc.).
> >
> > Regards,
> > Luciano Rocha
>
> Luciano,
>
> Was wondering if you could provide some help with the solution you
> sent...
>
> [ "$( zcat /folder/pg_backup.$DATE.gzip | head -c1 | wc -c )" -eq 1 ]
>
> First, I can't seem to use zcat, because it likes to add on a ".Z" to
> the filename for some reason or another. Also, I find with the
> version of 'head' installed on my machine, that -c isn't available,
> but instead, -n. I tried changing that and zcat to cat, but was
> getting a fail on something that should be valid.
>
> This basically checks to see if the file contains data right?
>
> Thanks man!
>
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