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Re: How to check if it in a sourced bash file or in a nonsourced bash fi
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From: |
Greg Wooledge |
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Subject: |
Re: How to check if it in a sourced bash file or in a nonsourced bash file? |
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Date: |
Thu, 7 Nov 2019 09:00:43 -0500 |
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User-agent: |
Mutt/1.10.1 (2018-07-13) |
On Thu, Nov 07, 2019 at 01:07:22AM +0100, Marco Ippolito wrote:
> On 07/11/2019 00:13, Peng Yu wrote:
> > I'd like to know whether it is in a source bash file or a non sourced
> > bash file. Does anybody know what is the best way to make this test?
> > Thanks.
>
> If a is run and it sources b, "${BASH_SOURCE[@]}" expanded within b as it's
> being sourced will contain (a b).
>
> If a is run and it sources b which sources c, "${BASH_SOURCE[@]}" expanded
> within c as it's being sourced will contain (a b c), in that order.
There's also <https://mywiki.wooledge.org/BashFAQ/109>.