Author: Stan Eisenstat
Subject: Re: [Cs323] Why is this an invalid expression?
Date: Saturday, 17 Oct 2020, 11:58:13

    > Message Posted By: Unknown
    >
    > $ /c/cs323/Hwk3/mcBash
    > ...
    > (7)$ ${e=${f-${_}}}
    > Invalid expansion
    > (7)$ ${f-${_}}
    > >> /c/cs323/Hwk3/mcBash
    >
    > Hi, could you explain why is this an invalid expression?

I am not seeing this behavior:

  $ /c/cs323/Hwk3/mcBash
  (1)$ ${e=${f-${_}}}
  >> /c/cs323/Hwk3/mcBash

What were the first 6 lines?

[Let's continue this exchange by mail; I will post to
the newsgroup if there is anything of general interest.]

--Stan-