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In the 1970's procedural-based
programming was all the rage. You should be very familiar
with procedural-based programming since this tutorial
assumes that you are already familiar with Perl 4,
which is very much a procedural-based programming
language.
In a procedural-based programming
language, a programmer writes out instructions that are
followed by a computer from start to finish.
For example, a procedural-oriented
program might work like this:
![[image]](Images/procedure_example.gif)
A more complex procedural-based
program might introduce logical branches such as in the
following example
![[image]](Images/procedure2_example.gif)
But even in the case of a more
complex logical flow, the main idea remains the same...a
certain set of instructions is followed through from
beginning to end, each step building upon and tied to every
previous step.
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