padd.fish

#! /usr/bin/env fish
function padd
    for path in $(nix build nixpkgs#$argv[1] --print-out-paths --no-link)
        set bin "$path/bin"
        if test -d $bin
            echo "Added $bin to PATH"
            set --prepend --global PATH $bin
        end
    end
end

padd.sh

#! /usr/bin/env bash
padd() {
    # Use nix to build and get the output paths
    for path in $(nix build nixpkgs#$1 --print-out-paths --no-link); do
        bin="$path/bin"
        # Check if the directory exists
        if [ -d "$bin" ]; then
            echo "Added $bin to PATH"
            # Prepend the bin directory to PATH
            PATH="$bin:$PATH"
        fi
    done
}