Download from Google Drive in Linux command line (with curl)

gdrive.sh

#!/bin/bash
url="$1"
id=$(echo "$url" | grep -oP '(?<=https://drive.google.com/file/d/)[^/]+')
if [ -z "$id" ]; then
  id=$(echo "$url" | grep -oP '(?<=https://drive.google.com/open\?id=)[^/]+')
  if [ -z "$id" ]; then
    echo "Cannot parse url: '$url'"
    exit 1
  fi
fi
# some of my machines do not have jq, that's why using python below
#meta=$(curl -L "https://drive.google.com/open?id=$id" | perl -0777 -ne 'print $1 if(m#(_initProjector\([^)]+\))#)' | grep https://drive.google.com/uc | sed 's/^,//;s/$/]/' | jq '{ file: .[1], url: .[18], size: (.[-1]|.[-1])}')
meta=$(curl -L "https://drive.google.com/open?id=$id" | perl -0777 -ne 'print $1 if(m#(_initProjector\([^)]+\))#)' | grep https://drive.google.com/uc | sed 's/^,//;s/$/]/' | python -c "import sys, json; data = json.load(sys.stdin); res = {}; res['file'] = data[1]; res['url'] = data[18]; res['size'] = data[-1][-1]; print(json.dumps(res))")
file=$(echo "$meta" | grep -oP '(?<="file": ")[^"]+')
dl_url=$(echo "$meta" | grep -oP '(?<="url": ")[^"]+')
size=$(echo "$meta" | grep -oP '(?<="size": ")[^"]+')
echo "Downloading $file ($size bytes) url='$dl_url'"
curl -L -c /tmp/cookie-$id.txt -b /tmp/cookie-$id.txt "$dl_url" > "$file"
dl_size=$(stat -c '%s' "$file")
if [[ "$size" != "$dl_size" ]]; then
  confirm=$(grep -oP 'confirm=[^\&]+' "$file")
  echo "Confirming download $file ($size bytes) url='$dl_url&$confirm'"
  curl -L -c /tmp/cookie-$id.txt -b /tmp/cookie-$id.txt "$dl_url&$confirm" > "$file"
  dl_size=$(stat -c '%s' "$file")
  if [[ "$size" != "$dl_size" ]]; then
    echo "Failed to dl "$file", size does not match"
    exit 1
  fi
fi
rm -f /tmp/cookie-$id.txt
exit 0