yes... but this would be MUCH more straightforward...

($mon, $tue, $wed, $thu, $fri, $sat, $sun) = split " ", lc($_);
$alldays = "$mon $tue $wed $thu $fri $sat $sun"; # Edit doh... forgot 
+to remove lc and ()
print "$alldays\n";
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or even

$alldays = lc($_);
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the way you have it

but to do multiple I would put them in a hash or array and do something similar to...

@days = split (/ /);
$alldays = join ' ', map { lc $_ } @days;
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or use a for loop... there are many things you can do

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