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Tutorial10: Shell Scripting - Part 1

4 bytes removed, 16 March
INVESTIGATION 3: COMMAND SUBSTITUTION / MATH OPERATIONS
'''Math Operations'''
Since you do NOT have to declare the '''data-type''' of a variable (as opposed to compiled program<br>such as the C-programming language),<br> numbers would be stored as '''text''' in variables. Therefore, it is important to use the construct <span style="color:blue;font-family:courier;font-weight:bold">(( ))</span> to <u>convert</u><br> numbers (stored as ''text'') into '''numbers'''.
We will now learn how to use this construct in order to perform math operations for shell scripts.
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