bash script to refresh NFT collection on Opensea

gistfile1.txt

1. create executable .sh file
2. paste code below
3. run like this `./script.sh 1 100 0x66466c5d3823ca01eaf0e88719ecd499cd6bcee8 matic`

```
#!/bin/bash

# Check if all required arguments are provided
if [ "$#" -ne 4 ]; then
    echo "Usage: $0 <start> <end> <address> <chain>"
    exit 1
fi

# Assign command-line arguments to variables
START=$1
END=$2
ADDRESS=$3
CHAIN=$4

# Define your API key
API_KEY="2e52947bf393445f871d62d23a03126a"

# Define the base URL based on the provided chain
if [ "$CHAIN" == "matic" ]; then
    BASE_URL="https://api.opensea.io/api/v2/chain/matic/contract/$ADDRESS/nfts/"
elif [ "$CHAIN" == "ethereum" ]; then
    BASE_URL="https://api.opensea.io/api/v2/chain/ethereum/contract/$ADDRESS/nfts/"
else
    echo "Unsupported chain. Please provide either 'matic' or 'ethereum' as the chain parameter."
    exit 1
fi

# Define the path segment for the refresh endpoint
REFRESH_PATH="/refresh"

for ((i = $START; i <= $END; i++)); do
    # Construct the complete URL
    URL="$BASE_URL$i$REFRESH_PATH"

    # Send the HTTP request
    echo "Sending request for n=$i on chain=$CHAIN..."
    curl --request POST --url "$URL" --header "x-api-key: $API_KEY"
    echo "Request for n=$i on chain=$CHAIN completed."
    echo

    # Wait for 3 seconds before next iteration
    sleep 3
done
```