Q0
	Set up
		: Get your stuff working under subversion
		: Go to 310/cs310gpXX/1
		: svn export http://unbox.org/wisp/var/timm/10/310/src/gawk/1/c
		: svn add c
		: svn commit -m "b ready to go"
		:
For each of the following questions, add lines like this to "run"
	printf "\n===== 1/c/q1 ========================\n\n"
	cat myCodeThatAnswersThisQuestion.awk
	execute
		: where "execute" is the "test" command shown below.

Q1
	Write
		: Write an awk program that prints the total number of upper case
		: words in a file.
	Test
		: gawk -f uppercase.awk english.rules
Q2
	Write
		: Write an awk program that print the largest numeric first field and the 
		: line that contains it
	Test
		: ls -lsai / | gawk -f largest.awk

Q3	(hard: worth 2.5 marks)
	Write
		: Adapt story.awk to handle attributed grammars. For such grammars,
		: some of the productions are not "A -> b c d" but "A=terminal". For
		: such rules, the rhs is a single terminal. If that rule is selected,
		: then an attribute is fixed to a value.
		:
		: This lets us fix strings and reuse them. To see why that is useful,
		: consider the following grammar
		:
		: Sentence -> Nounphrase Verbphrase   
		: Nounphrase -> Boy              
		: Nounphrase -> Girl           
		: Boy -> john
		: Boy -> ajit
		: Girl -> pima
		: Girl -> barkha
		: Verbphrase -> Verb Modlist Adverb with  Nounphrase
		: Verb -> runs                    
		: Verb -> walks                  
		: Modlist ->                    
		: Modlist -> very Modlist      
		: Adverb -> quickly           
		: Adverb -> slowly           
		:
		: Note that now we can select two boys at different parts of the
		: story.
		:
		: But, in the following grammar, once we pick a heroine/ hero then we
		: always use their name (note the use of "=" in the following).
		:
		: Sentence -> Nounphrase Verbphrase   
		: Nounphrase -> Boy              
		: Nounphrase -> Girl           
		: Boy = john
		: Boy = ajit
		: Girl = pima
		: Girl = barkha
		: Verbphrase -> Verb Modlist Adverb travels with  Nounphrase
		: Verb -> runs                    
		: Verb -> walks                  
		: Modlist ->                    
		: Modlist -> very Modlist      
		: Adverb -> quickly           
		: Adverb -> slowly           
	Note
		: Of course, the grammar still is "broken" since in this story,
		: the someone can travel with themselves.  
		: e.g. "pima runs slowly with pima" 
		: What we need is a better
		: constraint language in our grammar such that we can specify that
		: someone cannot travel with themselves. We will build such a grammar,
		: later in the semester.
	Hint
		Working memory
			: Keep a working memory of settings "Setting[Name]". In the above, we
			: might get "Setting[Boy]=john" and "Setting[Girl]=pima".  
		Before rewriting a terminal
			: change the generation code such that before it looks up a definition
			: if checks for "if (Setting[Terminal])". And, if it is there, just
			: return it.
		After rewriting a terminal
			: On return from generating a terminal, if the result is something
			: defined in as a Setting, then you have to set this Setting. 
			: To test for a key in an array, use (x in Setting).
		Reading 
			: You will also have to change how story.awk reads in productions.
			: Now, if we see "Variable = terminal", then we have to:
			: 1)	read it as if it was "Variable -> terminal"
			: 2)    set Setting[Variable]=""
			: (Btw, if Setting[Variable] is the empty string then 
			: "if : (Setting[Variable])" will return false so the the above "if"
			: test will work correctly.