From: Bart Schaefer <schaefer@brasslantern.com>
To: Zsh Users <zsh-users@zsh.org>
Subject: Re: surprise with echo
Date: Fri, 19 Dec 2014 18:09:34 -0800 [thread overview]
Message-ID: <141219180934.ZM30229@torch.brasslantern.com> (raw)
In-Reply-To: <20335.1418988086@thecus.kiddle.eu>
On Dec 19, 12:21pm, Oliver Kiddle wrote:
}
} I've never regarded the rc_expand_param and rc_quotes options as being
} there to emulate rc. They are merely inspired by rc.
This is also a truism.
} > > Only by turning off the option, or by doing e.g. ${@:-''} so that the
} > > expansion is the empty string rather than the empty array.
}
} $^^@ will also do the job of disabling the option.
Right. The important detail is that XX${@:-''}ZZ will produce similar
results whether or not $@ is empty, whereas XX${^^@}ZZ does something
different when $@ is NOT empty. (Assuming in both cases rcexpandparam
is set.)
next prev parent reply other threads:[~2014-12-20 2:09 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-19 1:24 Ray Andrews
2014-12-19 3:06 ` Bart Schaefer
2014-12-19 3:20 ` Lawrence Velázquez
2014-12-19 6:09 ` Ray Andrews
2014-12-19 6:30 ` Kurtis Rader
2014-12-19 17:54 ` Ray Andrews
2014-12-19 4:14 ` Kurtis Rader
2014-12-19 4:39 ` Lawrence Velázquez
2014-12-19 5:19 ` Kurtis Rader
2014-12-19 6:00 ` Lawrence Velázquez
2014-12-19 5:57 ` Bart Schaefer
2014-12-19 6:08 ` Kurtis Rader
2014-12-19 6:58 ` Ray Andrews
2014-12-20 2:55 ` Bart Schaefer
2014-12-20 3:05 ` Kurtis Rader
2014-12-20 3:49 ` Ray Andrews
2014-12-20 4:40 ` Bart Schaefer
2014-12-20 5:50 ` Ray Andrews
2014-12-19 6:45 ` Ray Andrews
2014-12-19 11:21 ` Oliver Kiddle
2014-12-20 2:09 ` Bart Schaefer [this message]
2014-12-20 2:58 ` Kurtis Rader
2014-12-20 3:55 ` Ray Andrews
2014-12-20 5:08 ` Lawrence Velázquez
2014-12-20 5:37 ` Ray Andrews
2014-12-20 9:45 ` ZyX
2014-12-19 6:00 ` Ray Andrews
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