From: Yuri D'Elia <wavexx@users.sourceforge.net>
To: zsh-users@zsh.org
Subject: Re: Expanding quotes
Date: Tue, 24 Dec 2013 17:11:11 +0100 [thread overview]
Message-ID: <l9cbmk$6od$1@ger.gmane.org> (raw)
In-Reply-To: <131223111515.ZM31989@torch.brasslantern.com>
On 12/23/2013 08:15 PM, Bart Schaefer wrote:
> It's a syntactic question as well as a semantic one. For example, you
> typed
>
> ls *\"
>
> and expected completion to treat backslash-dquote as a unit matching a
> literal double quote. But someone else might type
>
> ls *"
>
> and expect completion to *supply* the missing backslash, because there
> is a file name ending with a quote. It gets even more complicated if
I'm pretty sure I've experienced this behavior before, though it's
definitely rare.
> A third complication is that there are a huge number of different ways
> to apply quoting, and trying to figure out which one corresponds to what
> the user already typed is difficult to generalize. The globbing code
> that generates the list of possible files returns a particular quoting
> scheme that would have to be converted to the user's arbitrary quoting.
I see.
> We'd be happy to find some more volunteers to work on the internals of
> completion to resolve more of these cases.
Thanks for the clarification, the rationale is sound for me.
Personally, I would actually prefer is there was an option in zsh to
normalize the quoting mechanism to always "double quote" the argument
instead of escaping characters (thus inserting the initial double-quote
if missing). I don't know if this would actually simplify or furthermore
complicate the expansion rules.
With complete_in_word and all the other completion switches I definitely
see the complexity of "doing the right thing" in all the cases. Though
the fact that a glob might not expand in the same way as when executed
makes a bit of uneasy feeling for me. I often use expansion to
proof-check a glob instead of executing the command twice.
Maybe there's a better way to do it that doesn't involve running "ls
glob" before "real-command glob".
next prev parent reply other threads:[~2013-12-24 16:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-17 14:48 Yuri D'Elia
2013-12-17 18:26 ` Bart Schaefer
2013-12-23 17:38 ` Yuri D'Elia
2013-12-23 19:15 ` Bart Schaefer
2013-12-24 15:12 ` Ray Andrews
2013-12-24 16:24 ` Yuri D'Elia
2013-12-24 17:18 ` Ray Andrews
2013-12-26 14:50 ` Yuri D'Elia
2013-12-26 19:54 ` Ray Andrews
2013-12-24 16:11 ` Yuri D'Elia [this message]
2013-12-25 6:59 ` Bart Schaefer
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