# to squish a string
y sssscccc;

##</code><code>##

$_ = "bookkeeper";
y sssscccc;
print;

##</code><code>##

tr///scccc;

##</code><code>##

tr///sc;

##</code><code>##

If the /s modifier is specified, sequences of characters
that were transliterated to the same character are
squashed down to a single instance of the character.