====== Trim ======
The Trim () function gets a string and the position at which spaces are to be removed is passed as a parameter and returns this string without any relevant spaces.
==== Syntax: ====
Trim('String', 'Positions')
Possible positions are
* **l** for left-sided blanks,
* **r** for right-hand blank spaces and
* **b** for blanks on both sides
that are to be removed.
==== Samples: ====
Trim(' 12345 ', 'r')
returns ' 12345'
Trim(' 12345 ', 'l')
returns '12345 '
Trim(' 12345 ', 'b')
returns '12345'