Delve into Perl, a popular text processing language. Gain insights into loops, strings, and arrays, progressing to complex data structures and packages. No prior knowledge required.

alpine2.tar.gz

Perl is one of the most popular text processing languages in the world. It allows you to create extremely efficient text parsers for all sorts of applications.

This interactive course will help you get up to speed on Perl, starting off with basic concepts like loops, strings, and arrays. You'll build your way up to more complex topics like data structures and packages.

No background knowledge is needed. Anyone willing to understand the principles and syntax of Perl to use it in the future will find this course useful.

Learn Perl from Scratch

Single characters can be extracted using array (square brace) syntax by using `split` function.

Single characters can be extracted using array (square brace) syntax by using <code>split</code> function.

What will be the output of the following code?

```perl
print index("machinelearning", "learning");
```

What will be the output of the following code?
<pre><code class="language-perl">print index(&quot;machinelearning&quot;, &quot;learning&quot;);
</code></pre>

What is the output of the following code?
```Perl
$str = "This is a string.";
print length($str);

```


What is the output of the following code?
<pre><code class="language-Perl">$str = &quot;This is a string.&quot;;
print length($str);

</code></pre>

What will the following code print?

```Perl
$var1 = "Myname";
$var1 .= "is";
$var1 .=  "James";
print $var1;
```

What will the following code print?
<pre><code class="language-Perl">$var1 = &quot;Myname&quot;;
$var1 .= &quot;is&quot;;
$var1 .= &quot;James&quot;;
print $var1;
</code></pre>

What is the output of the following code?

```Perl
$str = "Learning is fun!";
print substr($str, 12, 4);
```

What is the output of the following code?
<pre><code class="language-Perl">$str = &quot;Learning is fun!&quot;;
print substr($str, 12, 4);
</code></pre>

Test your understanding of strings in Perl by solving a quiz in this lesson.

Getting Started

Variables

Operators

Conditional Statements

Loops

Subroutines

Strings

Arrays

Packages

Conclusion

Quiz on Strings