$ perl -v This is perl, v5.10.0 built for cygwin-thread-multi-64int (with 6 registered patches, see perl -V for more detail) $ perl -d bla.pl Loading DB routines from perl5db.pl version 1.3 Editor support available. Enter h or `h h' for help, or `man perldebug' for more help. main::(bla.pl:5): my @i = (2..5); DB<1> {{ # DB<2> s main::(bla.pl:7): for my $i (@i) { auto(-1) DB<2> # DB<2> s main::(bla.pl:8): $i ++; auto(-1) DB<2> # DB<2> s main::(bla.pl:9): print "foo"; auto(-1) DB<2> # DB<2> s main::(bla.pl:10): print " $i\n"; auto(-1) DB<2> # foo