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Re: Odd bug with !?str?% history expansion



This seems to be fixed by 28295.

On 21 August 2010 02:56, Mikael Magnusson <mikachu@xxxxxxxxx> wrote:
> I just enabled banghist to play around with it for a bit, and as is so
> common for me, I hit a bug within 3 minutes of enabling a new feature.
> When using the !?str?% syntax to retrieve a word from history matching
> str, if it has a backslash escaped space in it, and it was loaded from
> the history file, PS2 is for some reason shown instead of the command
> being run.
>
> To reproduce:
> % echo 'echo ninja\ bug' > zsh.test
> % zsh -f
> % fc -R zsh.test
> % echo !?ninja?%
>>
> #pressing enter produces this result:
> echo ninja\
>
> ninja
> %
> #and instead pressing ctrl-c gives this result:
> echo ninja\
> %
> #this happens no matter how many times you do it, at least while
> #pressing ctrl-c since enter would insert it in history.
> #
> #now up-arrow so you get the test command, or just type it:
> % echo ninja\ bug
> ninja bug
> % echo !?ninja?%
> echo ninja\ bug
> ninja bug
> %
>
> This time it works, but why? I didn't explore what happens with other
> forms of quoting yet.
> Reproduced the bug in quite current cvs and 4.3.6. I don't have any
> problems when not using the %.

-- 
Mikael Magnusson



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