DokuWiki

try
(tab)statement(s)
catch
(tab)statement(s)
end try

Execute the statement(s) inside the try. If a runtime error occurs jump to the code in the catch.

for t = -1 to 1
   try
      print "9/"+t + "= " + (9/t)
   catch
      print "division by zero"
   end try
next t

will display

9/-1= -9
division by zero
9/1= 9