Download .gitignore templates from https://github.com/github/gitignore

gitignore.sh

#!/bin/bash
# Download gitignore files from https://github.com/github/gitignore
# Example Usage: ./gitignore.sh Python Java > .gitignore

invalid_language() {
    >&2 echo "No gitignore found for $1."
    return 1
}

echo_header() {
    echo "## gitignore for ${1}"
    echo "## Source: ${2}"
}

for language in $@; do
    url="https://raw.githubusercontent.com/github/gitignore/master/${language}.gitignore"
    wget -q --spider "$url" || invalid_language "${language}" || continue
    echo_header "$language" "$url"
    wget -q -O- "$url"
    echo
done