Use of pcall for error handling

[Lili]

I'm trying to use pcall for handling an error but it's not working.
I run this script:

function faultyFunction()
error('This function returns an error')
end

function onLoad()
print(pcall(faultyFunction()))
end

Suposedly it should print false since the function returns an error, but i just get this:
"Error in Script (Global) function <onload>: chunk_1:(2,9-43): This function returns an error"

Am I doing something wrong?

[FragaholiC]

The usage of pcall is

pcall(yourFunction, argument1_for_yourFunction, arg2, ...)

You shouldn't call your faultyFunction inside the argument list of pcall but rather submit the function as a variable.

faultyFuntcion         -- variable of your function
faultyFunction()       -- with parenthesis you are calling the function

Long story short, use the function without parenthesis as an argument in pcall. The next arguments of pcall are used as arguments for the function you call with pcall.

function faultyFunction()
  error('This function returns an error')
end

function onLoad()
  print(pcall(faultyFunction))  -- no parenthesis, just faultyFunction without ()
end

[Lili]

Yay, it works. Thank you so much

[FragaholiC]

You are welcome.