Shell Programming and Scripting

BEGIN{
	print "Filename Lines Words Chars\n"
}
{
	filename[FILENAME,lines]=filename[FILENAME,lines] + 1
	filename[FILENAME,words]=filename[FILENAME,words] + NF
	filename[FILENAME,chars]=filename[FILENAME,chars] + length($0)
}
END{
	for(i=1;i<ARGC;i++){
		printf("%10s %5d %5d %5d\n",ARGV[i],filename[ARGV[i],lines],filename[ARGV[i],words],filename[ARGV[i],chars])
	}
}