3 lines
228 B
Perl
3 lines
228 B
Perl
#$bloop = -123; # uncomment this line to see the difference
|
|
no strict 'refs'; # referring to variable by name goes against 'strict' pragma
|
|
if (defined($::{'bloop'})) {print abs(${'bloop'})} else {print "bloop isn't defined"};
|