$ perldoc perlintro | grep foreach
        the more friendly list scanning "foreach" loop.
    foreach
            foreach (@array) {
            print $list[$_] foreach 0 .. $max;
            foreach my $key (keys %hash) {

$ perldoc perlsyn | grep foreach
        foreach LIST
    The "foreach" modifier is an iterator: it executes the statement once
        print "Hello $_!\n" foreach qw(world Dolly nurse);
        LABEL foreach VAR (LIST) BLOCK
        LABEL foreach VAR (LIST) BLOCK continue BLOCK
    The "foreach" loop iterates over a normal list value and sets the
    loop. This implicit localization occurs *only* in a "foreach" loop.
    The "foreach" keyword is actually a synonym for the "for" keyword, so
    you can use "foreach" for readability or "for" for brevity. (Or because
    "foreach" loop index variable is an implicit alias for each item in the
    If any part of LIST is an array, "foreach" will get very confused if you
    "foreach" probably won't do what you expect if VAR is a tied or other
        foreach $item (split(/:[\\\n:]*/, $ENV{TERMCAP})) {
    Perl executes a "foreach" statement more rapidly than it would the
    Instead of using "given()", you can use a "foreach()" loop. For example,
    requires initialization, such as a subroutine or a "foreach" loop. It