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→Using Control Flow Statements in Shell Scripts
'''Control Flow Statements''' are used to make your shell scripts<br>more '''flexible''' and can '''adapt''' to changing situations.<br><br>In order to use control flow statements, you need to test a condition to get a TRUE or FALSE value. This can be done two ways:<ul><li>Run a command to get the exit status (<span style="font-family:courier;font-weight:bold;">$?</span>)</li><li>Use the '''test''' command</li></ul><br>Refer to the diagrams on the right to see how to use the test command.<br><br>
You CANNOT use the <span style="font-family:courier;font-weight:bold;"><</span> or <span style="font-family:courier;font-weight:bold;">></span> symbols when using the test command since these are redirection symbols. Instead, you need to use options when performing numerical comparisons.
Refer to the table below for test options and their purposes.
