Basic HTML version of Foils prepared March 30 97

Foil 9 Operators for Numbers and Strings II -- Comparison (Chapter 2 of Llama Book)

From PERL4 Tutorial for CPS616 Computational Science for Information Age Course CPS616 -- February 1995. by Geoffrey C. Fox
1 There are six basic comparison operators which are DIFFERENT for numeric and string comparisons. Here PERL is using operators to create context to define type
2 There are a complex set of precedence rules but I always use parentheses and do not remember rules!
  • "CPS" . (12*50) # is string "CPS600"
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