Download all files in a github gist to the current directory

download-gist.sh

#!/bin/bash
#
# Download all the files in a GitHub Gist
#
# Example usage:
# $ download-gist.sh https://gist.github.com/stuaxo/2e110aaa42050490ad3fd73cfbedf76a
#
# By default, files are not overwritten. The -f option overrides this behavior:
# $ download-gist.sh -f https://gist.github.com/stuaxo/2e110aaa42050490ad3fd73cfbedf76a
#
force_download=false

if [ "$#" -eq 2 ] && [ "$2" = "-f" ]; then
    force_download=true
elif [ "$#" -ne 1 ]; then
    echo "Usage: $0 [-f] <gist_url>"
    exit 1
fi

gist_url="$1"
gist_id=$(basename "$gist_url")

api_url="https://api.github.com/gists/$gist_id"
response=$(curl -s "$api_url")

if [[ $response == *"Not Found"* ]]; then
    echo "Gist not found!"
    exit 1
fi

should_download=true
files=$(echo "$response" | grep -Eo '"filename":\s*"[^"]+"' | cut -d'"' -f4 | sed -e 's/^[[:space:]]*//')

if [ "$force_download" = false ]; then
    for file in $files; do
        if [ -f "$file" ]; then
            echo "Skipping $file (already exists)"
            should_download=false
        fi
    done
fi

if [ "$should_download" = true ]; then
    for file in $files; do
        file_url=$(echo "$response" | jq -r --arg file "$file" '.files[$file].raw_url')
        echo "Downloading $file..."
        
        # Download the file and check for non-200 status code
        download_status_code=$(curl -s -L -w "%{http_code}" -o "$file" "$file_url")
        if [ "$download_status_code" != "200" ]; then
            echo "Failed to download $file (HTTP Status Code: $download_status_code)"
            rm "$file"  # Remove the empty file
        fi
    done
fi

echo "Download complete!"