SQL Loader-How to insert -ve & date values from flat text file into coloumn

Question: How to insert -ve & date values from flat text file into coloumns in a table.
Explanation: In the text file, the negative values are like -10201.30 or 15317.10- and the date values are as DDMMYYYY (like 10052001 for 10th May, 2002).
How to load such values in columns of database using SQL Loader?
Please guide. Try something like
someDate    DATE 'DDMMYYYY'
someNumber1      "TO_NUMBER ('s99999999.00')"
someNumber2      "TO_NUMBER ('99999999.00s')"Good luck,
Eric Kamradt

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