-	script	@zeny	NPC32767,{
    callfunc "argv_splitter";
    .@n$ = if_then_else(@argv$[1] != "", "char", "") + "Zeny";
    if (GM < CMD_ZENY && GM < G_SYSOP) goto L_GM; // check if you can use it on self
    .@target_id = BL_ID;
    if (@argv$[1] != "") set .@target_id, getcharid(3, @argv$[1]);
    if (@argv$[1] != "" && !(isloggedin(.@target_id))) goto L_Failed; // do NOT fallback to self
    if (@argv$[1] != "" && GM < CMD_CHARZENY && GM < G_SYSOP) goto L_GM; // when target is not self, use charZeny permission
    if (@argv$[0] == "--")  goto L_Remove;
    if (@argv$[0] == "---") goto L_RemoveAll;
    if (@argv$[0] == "++")  goto L_Max;
    if (@argv$[0] == "+++") goto L_MaxAll;
    set .@delta, @argv[0]; // ± Zeny
    set .@Zeny, get(Zeny, .@target_id); // get the number of Zeny in char
    set .@bank, get(#BankAccount, .@target_id); // get number of Zeny in (world) account
    set .@new_Zeny, .@Zeny + .@delta; // new balance in char
    if (.@new_Zeny < 0) goto L_MaybeRemoveBank; // Zeny would be below 0 so check if we can take from bank
    if (.@new_Zeny > .max_Zeny) goto L_MaybeAddBank; // Zeny would be over the limit so check if we can store in bank
    Zeny = (.@Zeny + .@delta), .@target_id;
    goto L_Success;

L_Remove:
    Zeny = 0, .@target_id;
    goto L_Success;

L_RemoveAll:
    Zeny = 0, .@target_id;
    #BankAccount = 0, .@target_id;
    goto L_Success;

L_Max:
    Zeny = .max_Zeny, .@target_id;
    goto L_Success;

L_MaxAll:
    Zeny = .max_Zeny, .@target_id;
    #BankAccount = .max_int, .@target_id;
    goto L_Success;

L_MaybeAddBank:
    .@new_bank = (.@bank + (.@new_Zeny - .max_Zeny));
    if (.@new_bank > .max_int || .@new_bank < 0) goto L_OutOfBounds;
    Zeny = .max_Zeny, .@target_id;
    #BankAccount = .@new_bank, .@target_id;
    goto L_Success;

L_MaybeRemoveBank:
    if ((.@bank + .@new_Zeny) < 0) goto L_OutOfBounds;
    Zeny = 0, .@target_id;
    #BankAccount = (.@bank + .@new_Zeny), .@target_id;
    goto L_Success;

L_OutOfBounds:
    // XXX: maybe we could also take from other chars from the same accout?
    message strcharinfo(0), .@n$+" : Impossible to proceed! This would cause the player to have less than 0 Zeny or more than " + .max_int + ".";
    end;

L_Failed:
    // XXX: should we allow GMs to change Zeny of users that are not logged in?
    message strcharinfo(0), .@n$+" : Impossible to attach to the target player. Did you try putting the name in \"quotation marks\"?";
    end;

L_Success:
    gmlog "@Zeny " + @args$;
    message strcharinfo(0), .@n$+" : The operation succeeded.";
    end;

L_GM:
    message strcharinfo(0), .@n$+" : GM command is level "+ if_then_else(@argv$[1] != "", CMD_CHARZENY, CMD_ZENY) +", but you are level " + GM;
    end;

OnInit:
    set .max_Zeny, 1000000000; // hardcoded in tmwa
    set .max_int,  2147483647; // max int32 value
    registercmd chr(ATCMD_SYMBOL) + "Zeny", strnpcinfo(0);
    registercmd chr(ATCMD_SYMBOL) + "charZeny", strnpcinfo(0);
    end;
}