From: Bart Schaefer <schaefer@brasslantern.com>
To: zsh-users@zsh.org
Subject: Re: bug in replace-string: widget loses characters
Date: Tue, 09 Oct 2012 08:24:25 -0700 [thread overview]
Message-ID: <121009082425.ZM29621@torch.brasslantern.com> (raw)
In-Reply-To: <CAECNH1RZuE0yh=bT2uVfUzQC0XtOy2abtbbihDCg3K0RDj8kcw@mail.gmail.com>
On Oct 9, 3:34pm, Peter Stephenson wrote:
}
} The one side effect is that $UNDO_CHANGE_NO is different each time it's
} read. I could fix that if anyone cared, but if it helped you could sort
} of look on it as a feature: you are guaranteed that all recorded change
} points are unique and monotonically increasing whether or not the line
} itself was changed.
I think this is OK, but I suppose there might be a case where one wanted
to be able to detect whether any changes had occurred between state X
and state Y, e.g. previously
local current_undo=$UNDO_CHANGE_NO
# ... some stuff potentially happens ...
if (( current_undo == UNDO_CHANGE_NO ))
then
# nothing happened?
fi
Is there another way to detect this? It's probably not a common thing
to care about so perhaps not worth a lot of effort.
next prev parent reply other threads:[~2012-10-09 15:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-08 18:19 Moritz Bunkus
2012-10-09 11:22 ` Peter Stephenson
2012-10-09 11:54 ` Moritz Bunkus
2012-10-09 14:34 ` Peter Stephenson
2012-10-09 15:24 ` Bart Schaefer [this message]
2012-10-09 15:44 ` Peter Stephenson
2012-10-09 16:11 ` Peter Stephenson
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