File header should match a template.
Either define the header template as plain text or regular expression or load it from a file.
With plain text header template:
// This confidential and proprietary software may be used only as authorized // by a licensing agreement from Linty Services. // (c) Copyright 2016-2022 Linty Services // ALL RIGHTS RESERVED // The entire notice above must be reproduced on all authorized copies.
// My header is a bit different from the template module fly; endmodule
With plain text header template:
// This confidential and proprietary software may be used only as authorized // by a licensing agreement from Linty Services. // (c) Copyright 2016-2022 Linty Services // ALL RIGHTS RESERVED // The entire notice above must be reproduced on all authorized copies.
// This confidential and proprietary software may be used only as authorized // by a licensing agreement from Linty Services. // (c) Copyright 2016-2021 Linty Services // ALL RIGHTS RESERVED // The entire notice above must be reproduced on all authorized copies. module fly; endmodule