From: Emanuel Berg <moasen@zoho.com>
To: zsh-users@zsh.org
Subject: Re: string overwrites string when echoed
Date: Sun, 10 Sep 2017 21:01:55 +0200 [thread overview]
Message-ID: <8660cqml7g.fsf@zoho.com> (raw)
In-Reply-To: <20170910195758.13290f1b@ntlworld.com>
Peter Stephenson wrote:
> %% is a standard pattern match operator
> (works in most shells) that removes the
> longest possible match of the following
> pattern. % is similar but removes the
> shortest possible match: I used %% because
> they do the same thing in this case (it's
> a single fixed character) and I happen to
> know the longest match is generally more
> efficient to evaluate. This is documented in
> the PARAMETER EXPANSION section of the
> zshexpn manual.
>
> $'...' is an increasingly common form of
> quoting that allows escape sequences like the
> print builtin, so $'\r' exands to a carriage
> return. This is documented in the section
> QUOTING in the zshmisc manual page (except it
> doesn't say much more than what I did before
> you have to go away and read the entry for
> the print builtin).
Okay cool, thanks a lot.
--
underground experts united
http://user.it.uu.se/~embe8573
next prev parent reply other threads:[~2017-09-10 19:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-09 12:55 Emanuel Berg
2017-09-09 17:01 ` Bart Schaefer
2017-09-10 16:35 ` Emanuel Berg
2017-09-10 16:59 ` Peter Stephenson
2017-09-10 18:23 ` Emanuel Berg
2017-09-10 18:57 ` Peter Stephenson
2017-09-10 19:01 ` Emanuel Berg [this message]
2017-09-10 21:50 ` Bart Schaefer
2017-09-10 22:11 ` Emanuel Berg
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