The last of the basic building blocks of shell scripting are conditional statements, allowing you to decide programmatically whether to execute a block of statements based on a logical test, and flow ...

Excel functions, or formulas, lie at the heart of the application’s deep well of capabilities. Today we’ll tackle IF statements, a string of commands that determine whether a condition is met or not.

The IF expression is evaluated first. If the expression is true, execution flows through the THEN alternative. If the expression is false, the ELSE statement, if present, is executed. Otherwise, the ...

When I first learned to program, it was grasping if statements that helped it all click into place for me. Once you can use if statements, you can build all kinds of useful and interesting tools.

is any macro expression that resolves to an integer. If the expression resolves to an integer other than zero, the expression is true and the %THEN clause is processed. If the expression resolves to ...