[Timer]

I think it would be helpful if you're able to give information on what is wrong with the script and the complete function rather than just a chunk of it. Your if( select("Yes:No")==1 ) doesn't have an opening curly braces, that might cause huge logic problems

[Extract char_id from crafted items card position 3 & 4]

When you're referring to docs i guess you meant these lines:

    // Now we split the character ID number into two portions with a binary
    // shift operation. If you don't understand what this does, just copy it.
    @card3 = @charid & 65535;
    @card4 = @charid >> 16;

If that is the case then i think it would be possible to retrieve it (assuming we're operating on a 32bit system):

@card3 is storing the LAST 16 bits of the character's ID
@card4 is storing the FIRST 16 bits of the character's ID

So you'll just need to perform a left shift by 16 bits and perform a bitwise OR

@crafter_char_id = (@inventorylist_card4[.@i] << 16) | @inventorylist_card3[.@i];

Let me know if that works

[Hello rAthena! :)]

Wait what? Another one of those long ass introductory posts??

Let me just break this down into bullet points:

• I used to lurk around eAthena about 10 odd years ago 
• My only contribution to eAthena was a guide for server owners on how to get custom sprites
  •  something something xray client (is this still relevant now?)
• 16 y.o me tried to apply for a dev position on eAthena but i failed to understand what is a "for loop" 
• I'm now a postgraduate with a CS degree
  • Yes, i can now write a for loop (amazing right? i know!!) 
• Looking to contribute back to where I started

Community still looks great. Looking forward to meet y'all