Re: How to check if it in a sourced bash file or in a nonsourced bash file?

[Marco Ippolito]

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.