Re: alias not found

[Ray Andrews <rayandrews@eastlink.ca>]

On 10/29/2015 04:53 PM, Bart Schaefer wrote:
> On Oct 29,  1:32pm, Ray Andrews wrote:
> }
> }     $ . ./navtools; type naliases; naliases
> }     naliases is an alias for n_aliases
> }     zsh: command not found: naliases
>
> The entire line ". ./navtools; type naliases; naliases" has already
> been parsed into bytecode before any of it is executed.  So when
> navtools creates the alias, it's too late -- naliases has already
> been consumed and is not subject to alias replacement until another
> subsqeuent chunk of input is presented to the parser (effectively,
> not until after the next PS1 prompt is printed).
>
> This is one reason aliases are a bad idea in general.  It would be
> much better if navtools used e.g.
>
>      function naliases { n_aliases "$@" }
>
Ok, that's one of those little things that's easy to get wrong.
I'm thinking of each command being finished and returned before
the next one is even looked at. Is there some fix for that?
Which is to say, can we force sequential execution? It seems this
sort of thing is only a problem with aliases, or at least that
I've seen so far.