customAccept.sql is not working

[wienerri]

I tried customAccept.sql and I have got SQL Error: ORA-00936

SQLcl: Release 20.4 Production on Út Bře 16 09:56:05 2021

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Last Successful login time: Út Bře 16 2021 09:56:11 +01:00

Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.8.0.0.0

The answer to the ultimate question? 42

running: select ^ANSWER from dual

Error starting at line : 26 File @ H:\Data\sql_developer\sql\answer.sql
In command -
select ^ANSWER from dual
Error at Command Line : 26 Column : 8 File @ H:\Data\sql_developer\sql\answer.sql
Error report -
SQL Error: ORA-00936: chybí výraz
00936. 00000 - "missing expression"
*Cause:
*Action:

SQL>

[bamcgill]

@wienerri What SQL are you running there.

SQL> help accept
ACCEPT
------
Reads a line of input and stores it in a given substitution variable.

ACC[EPT] variable [NUM[BER] | CHAR | DATE | BINARY_FLOAT | BINARY_DOUBLE]
[FOR[MAT] format] [DEF[AULT] default] [PROMPT text | NOPR[OMPT]] [HIDE]
SQL> accept answer number
42
SQL> select &answer from dual;
old:select &answer from dual
new:select 42 from dual

   42 
_____ 
   42 

SQL> 

[wienerri]

I tried to run example file from this project - exactly this - customAccept.sql
I think this file is a litle bit broken, but maybe I do something wrong.

In this file is
select ^ANSWER from dual;
That is failed.