# addlicense The program ensures source code files have copyright license headers by scanning directory patterns recursively. It modifies all source files in place and avoids adding a license header to any file that already has one. ## install go get -u github.com/google/addlicense ## usage addlicense [flags] pattern [pattern ...] -c copyright holder (defaults to "Google LLC") -f custom license file (no default) -l license type: apache, bsd, mit (defaults to "apache") -y year (defaults to current year) -check check only mode: verify presence of license headers and exit with non-zero code if missing The pattern argument can be provided multiple times, and may also refer to single files. ## license Apache 2.0 This is not an official Google product.