Need suggestion how can I skip the rest par inside a loop when erro is raised

I need one suggestions from you :-

Suppose I do have a code as below:

   until row == nil do
     #code1
     begin
      #code2 <~~ which can raise an error
     rescue
     end
     #here I want some guard which can check,if any error occurred or
not.If #error then skip below part and continue from the next row.
     #code3
      row+=1
   end

Just use error handling properly.

begin
#standard code
rescue
#only runs if an error occurred
else
#only runs if an error did not occur
ensure
#always runs at the end regardless of error level
end

It seems to me that OP may not even understand:

begin
#standard code
#only runs if no error earlier in this block
rescue
#only runs if an error occurred
end
#always runs as long as all exceptions are caught and none are re-thrown

Joel Pearson wrote in post #1121289:

Just use error handling properly.

begin
#standard code
rescue

I am looking for the below operations,but only when error will be
occured :

a = (1..10)
i=0
until a.size>10
next i+=1 if i<5 # this should be done on Error
p a[i]
i+=1
end

If still I am not clear,please let me know the confusions.

until val == nil
  #line1
  #line2 #<~~ error can be generated here.If error happened I want to
start
from #line1 again.skipping the below code.
  #line3
   ...
end

Thanks

Maybe a real example would help, rather than infinite-loop pseudo-code.

val = -3
until val > 2
  begin
    val +=1
    1/val
  rescue
    puts 'Error on ' + val.to_s
  else
    puts 'No Error on ' + val.to_s
  end
  puts 'Finished with ' + val.to_s
end