Lighthouse run against multiple URLs from urls.txt file

run.sh

#!/usr/bin/env bash

urls=$(cat urls.txt)
outDir="results"

mkdir -p $outDir
for url in $urls; do
  fileFriendlyUrl=$(echo $url | sed 's/[^a-zA-Z0-9]/_/g')
  outFilePath="$outDir/$fileFriendlyUrl.html"
  if ! [ -f "$outFilePath" ]; then
    echo "[$url] 1st pass. Warming cache..."
    lighthouse $url --preset=desktop --quiet --chrome-flags="--headless" --output=html --output-path=/dev/null
    echo "[$url] 2nd pass..."
    lighthouse $url --preset=desktop --quiet --chrome-flags="--headless --window-size=1920,1080" --output=html --output-path="$outFilePath"
  else
    echo "Skipping $url, already exists"
  fi
done