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From: Peter Eisentraut <[email protected]>
To: Alvaro Herrera <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Jonathan S. Katz <[email protected]>
Cc: Daniel Westermann (DWE) <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: Link t the souce code
Date: Wed, 21 Jul 2021 20:09:00 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>


On 21.07.21 19:21, Alvaro Herrera wrote:
> On 2021-Jul-21, Peter Eisentraut wrote:
> 
>> On 21.07.21 01:45, Alvaro Herrera wrote:
>>>    <screen>
>>> -<userinput>gunzip postgresql-&version;.tar.gz</userinput>
>>> -<userinput>tar xf postgresql-&version;.tar</userinput>
>>> +<userinput>tar xfa postgresql-&version;.tar.gz</userinput>
>>>    </screen>
>>
>> The "a" option only applies when creating a tar archive ("c" command). So
>> adding it here does nothing.
> 
> Oh, so the current `tar x` knows to uncompress the file without any
> additional options?  I've been pointlessly adding 'z', 'j', 'a' for years ...
> That means we can remove the `gunzip` line and replace it with nothing.

Unless you want to assume GNU tar, the gunzip is still necessary.

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