code: function getFavIcon() {
    if (getFavIcon.pngData) return getFavIcon.pngData
  
    var pngFile = path.join(__dirname, "ragents.png")
  
    try {
      getFavIcon.pngData = fs.readFileSync(pngFile)
    }
    catch(e) {
      utils.log("error reading '" + pngFile + "'")
      return null
    }
  
    return getFavIcon.pngData
  }
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