$ perl -e 'print "\N{LATIN SMALL LETTER A WITH RING ABOVE}\n";'
 

$ perl -e 'print "|\N{LATIN SMALL LETTER A WITH RING ABOVE}|\n";'
| |

$ perl -C -e 'print "\N{LATIN SMALL LETTER A WITH RING ABOVE}\n";'
å

$ perl -e 'use open OUT => qw{:encoding(UTF-8) :std}; print "\N{LATIN SMALL LETTER A WITH RING ABOVE}\n";'
å