cat miniUTF8.pl
print 'ייייי ' , length 'ייייי' , "\n";

cat miniUTF8-2.pl
use utf8;
print 'ייייי' , length 'ייייי' , "\n";

##</code><code>##

LANG="fr_FR.UTF-8"
LC_COLLATE="fr_FR.UTF-8"
LC_CTYPE="fr_FR.UTF-8"
LC_MESSAGES="fr_FR.UTF-8"
LC_MONETARY="fr_FR.UTF-8"
LC_NUMERIC="fr_FR.UTF-8"
LC_TIME="fr_FR.UTF-8"
LC_ALL=

##</code><code>##

od -x miniUTF8.pl
0000000      7270    6e69    2074    c327    c3a9    c3a9    c3a9    c3a9
0000020      20a9    2027    2c09    6c20    6e65    7467    2068    c327
0000040      c3a9    c3a9    c3a9    c3a9    27a9    2c20    2020    5c22
0000060      226e    0a3b                                                
0000064