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Re: variable containing the current command
- X-seq: zsh-users 2348
- From: benjamin@xxxxxxxxxxxxxx
- To: zsh-users@xxxxxxxxxxxxxx
- Subject: Re: variable containing the current command
- Date: Fri, 28 May 1999 17:13:24 -0600 (MDT)
- In-reply-to: <990526221741.ZM22768@xxxxxxxxxxxxxxxxxxxxxxx> from Bart Schaefer at "May 26, 1999 10:17:41 pm"
- Mailing-list: contact zsh-users-help@xxxxxxxxxxxxxx; run by ezmlm
Thanks. That's EXACTLY what I was looking for. Reading the man page
carefully reveals that I am too stupid to live. :)
Bart Schaefer said:
> On May 26, 2:23pm, benjamin@xxxxxxxxxxxxxx wrote:
> > Subject: variable containing the current command
> > Is there a zsh environment variable that contains the current command
> > so that it can be referenced in preexec() or precmd() (or ideally both)?
> In preexec, the positional parameter $1 holds the entire command line just
> as it was read from the terminal (after history expansion but before any
> other expansions/substitutions).
> You could have preexec copy this to a global parameter where precmd can
> see it later.
> On May 26, 5:40pm, Sweth Chandramouli wrote:
> > Subject: Re: variable containing the current command
> > $_ is almost what you are looking for; it is supposed to be set for
> > any command to the full name of that command.
> That's not quite correct. From the doc:
> The last argument of the previous command. Also, this parameter
> is set in the environment of every command executed to the full
> pathname of the command.
> So it's only during the execution of a command that you can find the path
> of that command in $_. Once you're back in the shell (as during precmd),
> you get the last word of the previous command line (not the first; try
> your "ls" example with some file name arguments to "ls").
> As for this:
> > (astaroth/3)~: ls
> > Ready to do:preexec
> I suspect it has something to do with how or when preexec is executed.
> PWS could tell us more, but he's out for a few days.
The programmer's national anthem is 'AAAAAAAARRRRGHHHHH!!'.
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