I use it sporadically, a few times a year when I have some XML to munge and I do it with XSLT + xsltproc. For a certain class of simple transformation, it beats

I use it sporadically, a few times a year when I have some XML to munge and I do it with XSLT + xsltproc. For a certain class of simple transformation, it beats writing something in python / java / whatever.