scripts.org

Convert new to old Reddit URLs

#!/bin/bash

# Convert any Reddit URL to old.reddit.com format
# Usage: ./reddit-to-old.sh <reddit-url>

URL="$1"

if [ -z "$URL" ]; then
  echo "Usage: $0 <reddit-url>"
  exit 1
fi

# If it's a share URL (/s/), follow the redirect to get canonical URL
if echo "$URL" | grep -q '/s/'; then
  URL=$(curl -s -I -L -A "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" "$URL" 2>/dev/null | grep -i "^location:" | tail -1 | sed 's/location: //i' | tr -d '\r')
fi

# Convert to old.reddit.com and strip query params
echo "$URL" | sed 's/www\.reddit\.com/old.reddit.com/' | sed 's/m\.reddit\.com/old.reddit.com/' | cut -d'?' -f1