Re: [patch] new special variable: test argument

[Piotr Grzybowski]

Dear Stephane,

 thanks.

On Wed, Dec 16, 2015 at 7:36 PM, Stephane Chazelas
<stephane.chazelas@gmail.com> wrote:
> What's wrong with
>
> f=/tmp/myfile; [ -f "$f" ] && { echo "$f is here"; head -n 1 < "$f"; }

 nothing. sometimes it is just not practical (see my answer to Chet's
comment) and sometimes you just want to get that argument given to
test.

>
> A few shells (es, zsh, others) have support for
> lambdas/anonymous functions which could be another alternative. [..]

 ok, but that isnt that practial for me.

> [..]
> $_ as the last argument of the last command or history expansion
> are generic enough but having $^ as the last argument to test -f
> seems too specific (and obscure) to me and a waste of a special
> variable.

 well, maybe, but dont you think it could help? a way to get all the
arguments given to all the test calls? what do you think of the two
examples in the reply to Chet's response?

sincerely,
pg