In BEGINFILE:

	FILENAME = beginfile1.awk, FNR = 0, ERRNO = ""

processing beginfile1.awk

In ENDFILE:

	FILENAME = beginfile1.awk, FNR = 2, ERRNO = ""

In BEGINFILE:

	FILENAME = ., FNR = 0, ERRNO = "Is a directory"

In BEGINFILE:

	FILENAME = file, FNR = 0, ERRNO = "No such file or directory"

In BEGINFILE:

	FILENAME = Makefile, FNR = 0, ERRNO = ""

processing Makefile

In ENDFILE:

	FILENAME = Makefile, FNR = 2, ERRNO = ""