http://petangueules.fr/4bodic_opucimw3l Display file contents with file names;

Bawāna tail +1 many_files*

It works on Mac, BSD.

For GNU tail, use

tail -n +1 many_files*

Update: GNU tail has different parameters.

http://stackoverflow.com/questions/5917413/cat-multiple-files-but-include-filename-as-headers