Re: psql and regex not like

On Thu, Mar 6, 2025 at 6:11 AM hubert depesz lubaczewski <depesz(at)depesz(dot)com>
wrote:

> On Thu, Mar 06, 2025 at 04:37:56AM -0500, Ron Johnson wrote:
> > This statement runs great from the psql prompt. Does exactly what I
> want.
> > select datname from pg_database WHERE datname !~ 'template|postgres'
> ORDER
> > BY datname;
> > But it doesn't work so well from the bash prompt. Not escaping the "!"
> > generates a bunch of garbage, while escaping throws an sql syntax error.
>
> The problem is that ! is magical in bash.
>
> The solution is to not use it. Instead you can easily do:
>
> psql -Xc "select datname from pg_database WHERE not datname ~
> 'template|postgres' ORDER BY datname;"
>

I've used WHERE NOT ()" before. Should have thought of it here.

Thanks.

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