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From: Stephane Chazelas <stephane.chazelas@gmail.com>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: "zsh-workers@zsh.org" <zsh-workers@zsh.org>
Subject: Re: [Feature Request] Adding option to support triple quotes
Date: Sat, 17 Aug 2019 07:30:09 +0100
Message-ID: <20190817063009.7niz4cz2tuqx3ksu@chaz.gmail.com> (raw)
In-Reply-To: <CAH+w=7bh3d950w_kT8KN5MeDjagapuoSqbWRBmFo8S=ZTUnwvg@mail.gmail.com>

2019-08-16 22:31:11 -0700, Bart Schaefer:
> So if you really want to make progress with this, start looking for
> something more akin to perl's q{} and qq{} as already mentioned.

q{} would be a non-starter since it's already valid syntax.

q(...)    for '...'
qq(...)   for "..."
qqq(...)  for $'...'
qqqq(...) and more q's reserved for future extensions like
          ksh93's $"..."

may be workable. (and \qq(...) or 'q'q(...) would be a literal q
followed by q(...)). 

perl allows \( and \) to escape ( and ) (and as a result \\ to
escape \) inside even the q(...) form, I'm not sure I like that:

$ perl -le 'print q( \\ \(\) () )'
 \ () ()

'...' can quote anything that doesn't contain '. q(...) could
quote anything except unmatched (...) pairs.

I'm sure everyone will have wished for a kind of quotes (à la
TCL {...} or perl q(...)) that can nest when writing things

ssh host 'find . -exec sh -c '\''for i do sed '\'\\\'\'s/... '

Which you wished you could write:

ssh host q(find . -exec zsh -c q(for i do sed q(s...)...) zsh {} +)

That's the same kind of reason we got $(...) to replace `...`

On a related note, I really wish the glob*(e'(code $(...))')
worked, as in the code that looks for the closing ) for the e
glob qualifier would find the matching ")" as opposed to the
first one (same in the s/j... parameter expansion flags, etc.)


  reply index

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <2c845fb0-d628-400f-a805-ad8356b6d87a@www.fastmail.com>
     [not found] ` <7EBD1ADA-7179-4EEF-97CA-DBE4371D80D6@icloud.com>
     [not found]   ` <876f807b-dfdd-4246-8cfe-7cf6f373ac88@www.fastmail.com>
     [not found]     ` <f053e72e-e22e-4729-a2de-eaa712119728@www.fastmail.com>
2019-08-15 16:23       ` Aryn Starr
2019-08-17  5:31         ` Bart Schaefer
2019-08-17  6:30           ` Stephane Chazelas [this message]
2019-08-17  8:19             ` Stephane Chazelas
2019-08-18  4:24             ` Mikael Magnusson
2019-08-18 18:58               ` Matching delimiters for the "e" glob qualifier (Was: [Feature Request] Adding option to support triple quotes) Stephane Chazelas
2019-08-18 19:55                 ` Bart Schaefer
2019-08-19  6:46                   ` Matching delimiters for the "e" glob qualifier Stephane Chazelas
2019-08-13  6:06 [Feature Request] Adding option to support triple quotes Aryn Starr
2019-08-13  9:06 ` Mikael Magnusson
2019-08-13 20:52   ` Aryn Starr
2019-08-13 16:28 ` Daniel Shahaf
2019-08-13 20:40   ` Aryn Starr
2019-08-14  9:54 ` Stephane Chazelas
2019-08-15 14:28   ` Aryn Starr
2019-08-15 15:56     ` Daniel Shahaf

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