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function redirectFn() {
    var currentPath = window.location.pathname;

    // Check if "-b" is already present in the pathname
    if (currentPath.indexOf("-b") !== -1) {
        // console.log("Already contains '-b', no redirect needed.");
        return;
    }

    // Remove trailing slash and append "-b" and the query string
    var modifiedPath = currentPath.replace(/\/$/, "") + "-b" + window.location.search;

    // Perform the redirection
    window.location.href = modifiedPath;
}