Variable Expressions

• Examples:

  set list1 = (abc def)
  
  set list2 = ghi
  set m = ($list2 $list1)
  
  @ i = 10 # could be done with “set i = 10”
  @ j = $i * 2 + 5
  @ i++

• comparison operators: ==, !=, <, <=, >, >=, =~, !~

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