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Old 04-17-2008, 04:10 PM
Mario Splivalo
 
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Default psql shell return codes - checking if database exists
I need to check, from a bash script, if certain database exists in a
postgres cluster. When I issue:

psql -U someuser somedatabase

psql returns error code 2 regardless of 'no user' or 'no database'
condition. How could I distinguish from the two?

Mario

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  #2 (permalink)  
Old 04-17-2008, 04:10 PM
Milen A. Radev
 
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Default Re: psql shell return codes - checking if database exists
Mario Splivalo написа:
> I need to check, from a bash script, if certain database exists in a
> postgres cluster. When I issue:
>
> psql -U someuser somedatabase
>
> psql returns error code 2 regardless of 'no user' or 'no database'
> condition. How could I distinguish from the two?

A workaround: add "--list" option to the command line and grep for the
database you need.


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