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#!/usr/bin/perl -s
use v5.24;
use Test2::V0;
use List::UtilsBy 'max_by';
our ($tests, $examples);
run_tests() if $tests || $examples; # does not return
die <<EOS unless @ARGV > 1;
usage: $0 [-examples] [-tests] [P W...]
-examples
run the examples from the challenge
-tests
run some tests
P
a paragraph
W...
list of banned words
EOS
### Input and Output
say mfw(@ARGV);
### Implementation
sub mfw {
my $p = shift;
my %count;
$count{$_}++ for split /\W+/, $p;
delete @count{@_};
max_by {$count{$_}} keys %count;
}
### Examples and tests
sub run_tests {
SKIP: {
skip "examples" unless $examples;
is mfw('Joe hit a ball, the hit ball flew far after it was hit.',
'hit'), 'ball', 'example 1';
is mfw('Perl and Raku belong to the same family. Perl is the most popular language in the weekly challenge.',
'the'), 'Perl', 'example 2';
}
SKIP: {
skip "tests" unless $tests;
is mfw('one two three four five two three four five three four five four five five', 'two', 'four', 'five'), 'three', 'more banned words';
}
done_testing;
exit;
}
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