Basic HTML version of Foils prepared March 30 97

Foil 53 cmp <=> Binary Equality Operators (Chapter 15 of Llama Book)

From PERL4 Tutorial for CPS616 Computational Science for Information Age Course CPS616 -- February 1995. by Geoffrey C. Fox
1 We have already seen equality operators
  • == ,!= for numerically equal, unequal
  • eq , ne for stringwise equal, not equal
2 $a <=> $b returns -1,0,1 depending if $a is respectively numerically less than, equal to or greater than $b
3 $a cmp $b returns -1,0,1 depending if $a is respectively stringwise less than, equal to or greater than $b
in Table To:

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