PSGI and Plack: the future of web applications

[Original spanish source] A few weeks ago I showed my friend Joel a one-liner in Perl it featured a web server, perhaps he had too much work to do because it did not seem surprised by this fantastic line of perl module using IO::All: perl -MIO::All -e 'io(":8080")->fork->accept->(sub { $_[0] < io(-x $1 ? "./$1 |" : $1) if /^GET \/(.*) / })' But surprisingly (especially for a Perl fan) his response