Re: [patch] new special variable: test argument

[Piotr Grzybowski]

El 19/12/2015 03:46, "Stephane Chazelas" <stephane.chazelas@gmail.com> escribió:
>
> 2015-12-19 00:58:41 +0100, Piotr Grzybowski:
> > [..]
> > Without $^ it begins to look terrible.
>
> Using a variable is the most obvious thing to do.

not always practical.

>
> Also, what if "new_index" was a function which does call "[ -f"
> on another file?

I removed much of the code, just to give you an idea it was not a working example.

> > #2
> > touch /tmp/`date +%s`; if [ -f /tmp/`date +%s` ]; then echo "ok: $^"; fi;
> > [..]
> Again, use a variable. Not using a variable is even wrong here,
> as those two calls of "date" could return a different result.

it was just an example of something that yelds different result, exactly, and exactly the variable is the answer, only if using a variable introduces useless complication a special variable is the best answer.
>
> --
> Stephane
>
>