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Re: Checking whether program foo supports option --bar

From: Peter Johansson
Subject: Re: Checking whether program foo supports option --bar
Date: Wed, 2 Mar 2022 09:13:57 +1000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.6.1

Hi Sebasien,

On 2/3/22 04:23, Paul Eggert wrote:
On 3/1/22 09:08, Sébastien Hinderer wrote:
Is there a conventional / recommended way to test whether a program
supports a given command-line option?

You can use either AS_IF or plain sh 'if', depending on how complicated the then- and else- parts are.

You might find the macro YAT_RUN_LOG useful, which is a wrapper around AS_IF with some extra stuff like redirecting stderr to the log etc.


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