use MyConText;
use DBI;

# connect to database (regular DBI)
my $dbh = DBI->connect('dbi:mysql:database', 'user', 'passwd');

# create a new index
my $ctx = MyConText->create($dbh, 'indexname', 'frontend' => 'file', 'backend' => 'phrase');

# or open existing one
# my $ctx = MyConText->open($dbh, 'indexname');

# index documents
$ctx->index_document('/path/to/file');

# search for matches, finds documents that contain "anybody", "somebody", "nobody", etc. 
my @documents = $ctx->contains('%body');