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From: Bart Schaefer <schaefer@brasslantern.com>
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Date: Tue, 11 Feb 2014 21:13:09 -0800
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 <CAMXWGTzazAWLG6y1Q_zKvxmUewgAq9Z9CdksQ-Tb7kxfP-RHUg@mail.gmail.com>
Comments: In reply to Leonardo Barbosa <barbosa.leonardo@gmail.com>
 "executing commands in directories containing specific files" (Feb 11, 10:11pm)
References: <CAMXWGTzazAWLG6y1Q_zKvxmUewgAq9Z9CdksQ-Tb7kxfP-RHUg@mail.gmail.com>
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Subject: Re: executing commands in directories containing specific files
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On Feb 11, 10:11pm, Leonardo Barbosa wrote:
}
} I'd like to find TeX files (find $HOME -type f -name '*.tex'). Let's say i
} have found files a.tex, b.tex, and c.tex. Now, i wanna remove a.aux, b.aux,
} c.aux. What's the best way of doing that?

I like using the (e) flag, but it's sometimes tricky to get right on the
first try because you have to be careful to match up the parens in the
reply=(...) assignment, the quotes around the expression, the outer set
of delimiters (I used [...] below) and the parens around the whole thing:

    rm **/*.tex(.e['reply=(${REPLY:r}.aux)'])

But you can also use colon-modifiers as glob qualifiers, so if the .tex
never appears anywhere but at the end:

    rm **/*.tex(.:s/.tex/.aux)

If you've already got the filenames, say, in an array:

    texi=( $(find $HOME -type f -name '*.tex') )

Colon-modifiers work on every word in an array, so you can use the "^"
flag (rcexpandparam) like so:

    rm ${^texi:r}.aux

Or you can just use one of the loops already suggested.