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Re: Custom word completion, word splitting, bad behavior
From: |
Chet Ramey |
Subject: |
Re: Custom word completion, word splitting, bad behavior |
Date: |
Wed, 7 Feb 2018 15:56:53 -0500 |
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Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 |
On 2/6/18 3:52 PM, Nick Patavalis wrote:
> Hi,
>
> Thank you for your reply.
>
> I'm not sure I understand everything, other than basically... "that's
> how readline does it".
>
> I don't suggest there's a bug in readline, but I don't understand, for
> example, why
>
> foo --bar "baz" aa bb
>
> is ok to be split like:
>
> foo | --bar | "baz" | aa | bb
>
> while
>
> foo --bar="baz" aa bb
>
> cannot be split like:
>
> foo | --bar | = | "baz" | aa | bb
>
> What would be so terrible with this, that isn't with the previous
> (with regard to being able to complete inside quotes, and such)
>
> In any case, splitting it like:
>
> foo | --bar | =" | baz" aa bb
>
> (the last part a single word) does not look reasonable to me (even if
> it may be convenient in some occasions I cannot think of). It looks
> like a mix-up between the roles of " as a quoting character and as a
> word break character.
That may, in fact, be unreasonable. I'll take a look.
(It is not what I thought you were talking about as a problem: it seemed
to me that the `="' part was where you were objecting.)
> If I replace " with another word-break character (say :), the command
> is again split in a reasonable manner:
>
> foo | --bar | =: | baz | : | aa | bb
>
> Actually, " behaves like a word-break character only when it's a part
> of a sequence of other word-break characters (from what I can
> tell). As, for example, in:
>
> foo bar"baz
> foo | bar"baz (and not: foo | bar | " | baz)
>
> Anyway... confusing as it may be, it is as it is.
>
> I guess my question is: how would you suggest I handle completion for
> a command, when an option is given like --bar="baz"?
Are you trying to complete the option word?
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/
- Custom word completion, word splitting, bad behavior, Nick Patavalis, 2018/02/05
- Re: Custom word completion, word splitting, bad behavior, Chet Ramey, 2018/02/05
- Re: Custom word completion, word splitting, bad behavior, Nick Patavalis, 2018/02/06
- Re: Custom word completion, word splitting, bad behavior,
Chet Ramey <=
- Re: Custom word completion, word splitting, bad behavior, Nick Patavalis, 2018/02/07
- Re: Custom word completion, word splitting, bad behavior, Chet Ramey, 2018/02/14
- Re: Custom word completion, word splitting, bad behavior, Chet Ramey, 2018/02/07
- Re: Custom word completion, word splitting, bad behavior, Nick Patavalis, 2018/02/07
- Re: Custom word completion, word splitting, bad behavior, Chet Ramey, 2018/02/12
- Re: Custom word completion, word splitting, bad behavior, Nick Patavalis, 2018/02/13