Maybe you want
${ $_[ 0 ] } = " ( $boo ) ";
or

    if( length ${ $_[ 0 ] } > 2) {
        my ($pre, $mid, $post) = /^(.)(.*)(.)$/;
        recurse( $mid );
        ${ $_[ 0 ] } = "$pre ( $mid ) $post";
    }

[download]

Just guessing, cause you didn't specify what output you want.

In reply to Re^3: Scalar refs, aliasing, and recursion weirdness. by ikegami
in thread Scalar refs, aliasing, and recursion weirdness. by BrowserUk

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