#!/home/ivan/bin/perl
# this is a mok program with comments

# this is a hack to make the program executable
BEGIN { $0 =~ /(^|\/)mok$/ or exec qq{mok -f $0 @ARGV} }

# block for each molecule
{ 
    # let us add the atoms; look, you can ever put a right brace here! }
    $n += $MOL->atoms # internal comment (handled by perl)
}   # the block ended

END { print qq{Total: $n atoms\n} } # this was the end block
# just a random comment


# the end