bash-2.05a$ perl ./p
'BA'
'BA'
'A'
'A'
bash-2.05a$ perl -v | egrep "This is perl"

This is perl, v5.8.0 built for darwin
bash-2.05a$ uname -a
Darwin maclem 6.6 Darwin Kernel Version 6.6: Thu May  1 21:48:54 PDT 2003; root:xnu/xnu-344.34.obj~1/RELEASE_PPC  Power Macintosh powerpc