Count occurences of the word without it repeating

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LEARN ABOUT DEBIAN

mojo::collection

Mojo::Collection(3pm)					User Contributed Perl Documentation				     Mojo::Collection(3pm)

NAME

       Mojo::Collection - Collection

SYNOPSIS

	 # Manipulate collections
	 use Mojo::Collection;
	 my $collection = Mojo::Collection->new(qw(just works));
	 unshift @$collection, 'it';
	 $collection->map(sub { ucfirst })->each(sub {
	   my ($word, $count) = @_;
	   say "$count: $word";
	 });

	 # Use the alternative constructor
	 use Mojo::Collection 'c';
	 c(qw(a b c))->join('/')->url_escape->say;

DESCRIPTION

       Mojo::Collection is a container for collections.

FUNCTIONS

       Mojo::Collection implements the following functions.

   "c"
	 my $collection = c(1, 2, 3);

       Construct a new Mojo::Collection object.

METHODS

       Mojo::Collection implements the following methods.

   "new"
	 my $collection = Mojo::Collection->new(1, 2, 3);

       Construct a new Mojo::Collection object.

   "each"
	 my @elements = $collection->each;
	 $collection  = $collection->each(sub {...});

       Evaluate closure for each element in collection.

	 $collection->each(sub {
	   my ($e, $count) = @_;
	   say "$count: $e";
	 });

   "first"
	 my $first = $collection->first;
	 my $first = $collection->first(sub {...});

       Evaluate closure for each element in collection and return the first one for which the closure returns true.

	 my $five = $collection->first(sub { $_ == 5 });

   "grep"
	 my $new = $collection->grep(sub {...});

       Evaluate closure for each element in collection and create a new collection with all elements for which the closure returned true.

	 my $interesting = $collection->grep(sub { /mojo/i });

   "join"
	 my $stream = $collection->join("
");

       Turn collection into Mojo::ByteStream.

	 $collection->join("
")->say;

   "map"
	 my $new = $collection->map(sub {...});

       Evaluate closure for each element in collection and create a new collection from the results.

	 my $doubled = $collection->map(sub { $_ * 2 });

   "reverse"
	 my $new = $collection->reverse;

       Create a new collection with all elements in reverse order.

   "slice"
	 my $new = $collection->slice(4 .. 7);

       Create a new collection with all selected elements.

   "shuffle"
	 my $new = $collection->shuffle;

       Create a new collection with all elements in random order.

   "size"
	 my $size = $collection->size;

       Number of elements in collection.

   "sort"
	 my $new = $collection->sort;
	 my $new = $collection->sort(sub {...});

       Sort elements based on return value of closure and create a new collection from the results.

	 my $insensitive = $collection->sort(sub { uc(shift) cmp uc(shift) });

SEE ALSO

       Mojolicious, Mojolicious::Guides, <http://mojolicio.us>.

perl v5.14.2							    2012-09-05						     Mojo::Collection(3pm)

UNIX for Beginners Questions & Answers