SQL Loader control file script - INFILE

Hi,
The data stored in the file "c:/test_<yyyy>_<mm>_<dd>". The <yyyy>, <mm> and <dd> has to be from sysdate. The infile gets generated on daily basis.
LOAD DATA
INFILE 'c:/test_'||to_char(sysdate,'yyyy')||'_'||to_char(sysdate,'mm')||'_'||to_char(sysdate,'dd').txt'
BADFILE 'c:/test_' || to_char(sysdate,'yyyy') || '_' || to_char(sysdate,'mm') || '_' || to_char(sysdate,'dd').bad'
I ran the above ctl from cmd prompt, it is giving an error. It is not recognizing the || symbol as concatenation.
How can I achieve this?
Thanks in advance.

Thanks Hussein.
I placed the control script in GL_TOP directory in unix OS. I created an executable (for the control script) and scheduled this concurrent program.
OS :- HP Tru64 UNIX - 5.1b
Database : 9.2.0.5
Application: Oracle General Ledger (Ver 11.5.9).
The error I am getting if I run the command "sqlldr ...." from cmd prompt is:
sql*Loader: Release 8.1.7.0.0
Illegal combination of non-alphanumeric characters
INFILE 'c:/test_' || to_char(sysdate,'yyyy'.......'
Thanks again.

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Message was edited by:
Jens Petersen

SQL Loader control file script - INFILE

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