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Re: test -v for array does not work as documented


From: pepa65
Subject: Re: test -v for array does not work as documented
Date: Wed, 19 Feb 2020 23:52:54 +0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1

On 19/02/2020 23.18, Ulrich Mueller wrote:
> So, is there any syntax that allows to test if a value has been assigned
> to the array variable? Especially, to distinguish VARNAME=() (empty
> array) from VARNAME being unset?

Not `test` as such as we have just learned, but the returncode of
`declare -p VARNAME` will be different for VARNAME being unset or being
set to `()` or `""`. Add `&>/dev/null` to taste..!

Peter



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