Actually, that's what I thought at first too, but then I thought you could still <br>1) Search for a let,<br>2) Select the var-expr list of the let,<br>3) If there is only 1 var-expr association per line, then something like (not tested) s/^([^\(]*)\((.*)\)([^\)]*)/\1[\2]\3/ should do it, provided you don't select the var-expr-list parentheses.<br> 4) Rinse and repeat.<br><br>Of course that fails if you have code like (let ((a 4)(b4)) ...)<br><br>Laurent<br><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Nov 22, 2012 at 8:10 PM, Eli Barzilay <span dir="ltr"><<a href="mailto:eli@barzilay.org" target="_blank">eli@barzilay.org</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="HOEnZb"><div class="h5">Just now, Laurent wrote:<br> > (Oh, and I should of course say that this depends on having a<br> > very convenient way to deal with keyboard macros, something that<br> > Emacs in its default configuration doesn't have.)<br> ><br> > Just in case that's of any help, the script-plugin has a<br> > regexp-replace-in-file script. (<br> > <a href="http://planet.racket-lang.org/display.ss?package=script-plugin.plt&owner=" target="_blank">http://planet.racket-lang.org/display.ss?package=script-plugin.plt&owner=</a><br> > orseau )<br> <br> </div></div>(The specific case of converting parens is one where you don't want to<br> use just a regexp replace...)<br> <div class="HOEnZb"><div class="h5"><br> --<br> ((lambda (x) (x x)) (lambda (x) (x x))) Eli Barzilay:<br> <a href="http://barzilay.org/" target="_blank">http://barzilay.org/</a> Maze is Life!<br> </div></div></blockquote></div><br></div>