From: Ray Andrews <rayandrews@eastlink.ca>
To: zsh-users@zsh.org
Subject: Re: 'whence' question
Date: Thu, 06 Nov 2014 13:45:51 -0800 [thread overview]
Message-ID: <545BEC0F.8080805@eastlink.ca> (raw)
In-Reply-To: <141105204330.ZM2973@torch.brasslantern.com>
On 11/05/2014 08:43 PM, Bart Schaefer wrote:
> The pattern accepted by the -m option is not a glob,
That seems very counterintuitive! I'm taking it as a regular glob just
as, I think,
anyone would.
> it's a pattern of
> the string-matching variety. If we were to simply glue each of the
> arguments onto the end of each $path directory and glob the resulting
> cross-product, the wrong results could be returned. Furthermore, for
> e.g. cygwin, the filled hash table has dealt with mapping "foo.exe"
> onto "foo" with the suffix case-insensitive, so even a string match
> against the file names across $path could be wrong.
>
> Having just written that, it occurs to me that perhaps the "right way"
> is the equivalent of this? --
>
> whence -a ${(k)commands[(I)pattern]}
I couldn't get any love from that. What I do in my wrapper is this:
echo -e "\n\e[31;1mACTIVE:\n\e[0m`whence -mv "$1"`"
echo -e "\n\e[31;1mSHADOWED AND/OR LINKS:\
\n\e[0m`whence -sav "${1//'*'/}"`"
> $ i zsh* << (i)nformation = mostly from whence.
> ACTIVE:
> zsh is /usr/local/bin/zsh
> zsh-ok is /usr/local/bin/zsh-ok
> zsh-test1 is /usr/local/bin/zsh-test1
> zsh-test2-orig-rebuild is /usr/local/bin/zsh-test2-orig-rebuild
>
> SHADOWED AND/OR LINKS:
> zsh is /usr/local/bin/zsh -> /usr/local/bin/zsh-test2-orig-rebuild
> zsh is /usr/bin/zsh -> /usr/local/bin/zsh-test2-orig-rebuild
> zsh is /bin/zsh -> /usr/local/bin/zsh-test2-orig-rebuild
>
... which is a bit clumsy, but if I type ' i zsh* ' I want 'whence-ish'
information on
the intuitive meaning of 'zsh*' and I want to see links, and 'shadowed'
files
because they may very well be part of a chain of links, as is true
above. But '-m'
won't permit '-s', and '-a' won't permit glob. I hope that something more
friendly can be come up with. I hope it's " whence -as "zsh*" "
next prev parent reply other threads:[~2014-11-06 21:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-05 18:33 Ray Andrews
2014-11-05 17:49 ` Oliver Kiddle
2014-11-05 18:00 ` Peter Stephenson
2014-11-06 4:43 ` Bart Schaefer
2014-11-06 21:45 ` Ray Andrews [this message]
2014-11-06 21:53 ` Bart Schaefer
2014-11-06 23:15 ` Ray Andrews
2014-11-06 22:54 ` Bart Schaefer
2014-11-05 19:15 ` Ray Andrews
2014-11-05 17:50 ` Peter Stephenson
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