Creation of a PG critic script.

[pstaabp]

The pg-critic script analyzes a pgproblem (or list of them) for both good and bad features of a problem. Currently this include:

Positive features:

• Uses PGML
• Provides a solution
• Provides a hint
• Uses Scaffolds
• Uses a custom checker
• Uses a multianswer
• Uses answer hints
• Uses nicetables

Old and deprecated features

• checking for deprecated macros
• Use of BEGIN_TEXT/END_TEXT
• Include the TEXT(beginproblem)
• Include old tables (for example from unionTables.pl)
• The use of num_cmp, str_cmp and fun_cmp in lieu of using MathObjects
• Including Context()->TeXStrings
• Calling loadMacros more than once.
• Using the line $showPartialCorrectAnswers = 1 which is the default behavior and thus unnecessary.
• Using methods from PGchoicemacros.pl
• Including code or other text below the ENDDOCUMENT(); line indicating the end of the problem.

Currently the script can also score a problem (there is a rubric that is built-in to the script). This can be made more flexible.

Also, there are plans to include more features on both the positive and negative side.

[drgrice1]

Please set the executable bit on the pg-critic.pl script.