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From: Gavan Schneider <[email protected]>
To: Allie Crawford <[email protected]>
Cc: [email protected]
Subject: Re: archive_commnad parameter question
Date: Tue, 20 Apr 2021 07:16:56 +1000
Message-ID: <[email protected]> (raw)
In-Reply-To: <CY4PR04MB04704227BFE53F5C5E799748D9499@CY4PR04MB0470.namprd04.prod.outlook.com>
References: <CY4PR04MB04704227BFE53F5C5E799748D9499@CY4PR04MB0470.namprd04.prod.outlook.com>

On 20 Apr 2021, at 7:09, Allie Crawford wrote:

> archive_command = 'test ! -f /mnt/server/archivedir/%f && cp %p 
> /mnt/server/archivedir/%f'  # Unix
>
> Does anybody know what is “test” representing in this parameter 
> configuration?
>
my_unix_prompt> man test

gives:
	 Tests  the  expression given and sets the exit status to 0 if true, 
and 1 if false. An expression is made up
	  of one or more operators and their arguments.

In other words “test” here is a unix command which evaluated the 
expression supplied via the arguments.
Mostly used in its alternate form of “[ … ]” in shell scripts

Gavan Schneider
——
Gavan Schneider, Sodwalls, NSW, Australia
Explanations exist; they have existed for all time; there is always a 
well-known solution to every human problem — neat, plausible, and 
wrong.
— H. L. Mencken, 1920

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