This function returns the integer portion of
EXPR
. If
EXPR
is
omitted, it uses
$_
. If you're a C programmer, you'll often
forget to use
int
in conjunction with division, which is a
floating-point operation in Perl:
$average_age = 939/16; # yields 58.6875 (58 in C)
$average_age = int 939/16; # yields 58