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Re: How to get variable out to shell script

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On Sun, Sep 20, 2009 at 3:49 PM, Alex Gadea <alex.gadea@xxxxxxxxxx> wrote:
> I am using psql to call an external sql file that executes a simple select
> count(*):
>
> ie: select into ct count(*) from table;
>
> I can't figure out how to make the ct variable available to the shell script
> once the external sql file completes execution.  What I am trying to do is
> run the count command against a table in two different databases on two
> different servers and then compare the variables.
>
> Any ideas?


$x=`psql -At -c "select b from a limit 1;"`
$ echo $x
test

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