4.9. Process CSV file

Example 4-8. examples/arrays/process_csv_file.csv

Foo,Bar,10,home
Orgo,Morgo,7,away
Big,Shrek,100,US
Small,Fiona,9,tower

Example 4-9. examples/arrays/process_csv_file.p6

#!/usr/bin/perl6

my $file = 'process_csv_file.csv';
if (defined @*ARGS[0]) {
    $file = @*ARGS[0];
}
   
my $sum = 0;
my $data = open($file, :r) err die "Could not open '$file'\n";
for =$data -> $line {
    my @columns = split ",", $line;
    $sum += @columns[2];
}
print "$sum\n";