Re: Empty ""s in ARG in ${x:+ARG} expand to no words instead of the empty word if prepended/appended with space

[Denys Vlasenko]

On 07/20/2018 04:43 PM, Denys Vlasenko wrote:

$  ${x:+"" }
^^^^^^^^^^^ prints nothing, bug?

Should be:
$ f ${x:+"" }

$ f ${x:+"$e""$e"""}
^^^^^^^^^^^ prints nothing, bug?

Should be:
$ f ${x:+"$e""$e" ""}

sorry.