Tinkering with Perl

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Blocks

For both conditionals and loops, it is useful to think of a cluster of statements taken together. A block of code begins with a left curly brace ('{'), and ends with a right curly brace ('}'). It should also be indented by four spaces or a tab. It doesn't matter how far you indent, but you should indent to the same depth most of the time. Here are a few statements by themselves:

print "Type something in: "; # The lack of a \n is intentional, so that the
                             # cursor stays on the same line.
$UserInput = <>;
chomp $UserInput;
print "You typed in " . $UserInput . ".\n";

Here is that same group of statements in a block:

    {
    print "Type something in: "; # The lack of a \n is intentional, so that
				 # the cursor stays on the same line.
    $UserInput = <>;
    chomp $UserInput;
    print "You typed in " . $UserInput . ".\n";
    }

In short, to make a block, you put a left curly brace before it, type in the statements in the block, and close with a right curly brace. The whole thing should be indented four spaces.

Tinkering with Perl

Blocks

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