Copy files with deleting suffix in name

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http://unix.stackexchange.com – How can be done coping files that have some suffix at the end, into same dir with the smallest command possible: Example have directory containing files: cassandra.yml.example database.yml.example facebook.yml.example cache.yml.example system.yml.example need to copy them and have names like this: cassandra.yml database.yml facebook.yml cache.yml system.yml (HowTos)