perl-rename - rename is also good, but much more annoying to use for me as it doesn't use standard regex notation like perl-rename. printf - shell is natively

perl-rename - rename is also good, but much more annoying to use for me as it doesn't use standard regex notation like perl-rename. printf - shell is natively great at interpolation already, but having C-style printf formatting is often useful and echo has a lot of footguns