I have many files under the current directory.Each file contains copyrights headers like,    #    # Copyright 2013 Company, Inc. All rights reserved. This software    # is property of Company, Inc and contains trade secrets,I want to replace Copyright 2013 Company by Copyright 2014 CompanyHow can I do that?I tried:find . -type f -exec sed -r -i /Copyright\/ 2014\/ Company/d {} +
Replace copyrights recursively
shell;text processing;sed
Try:find . -type f -exec sed -r -i s/Copyright 2013 Company/Copyright 2014 Company/g {} \;