#! /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
}

Add a package to path in your running shell fish version available here

#! /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
}

Add a package to path in your running shell fish version available here

#! /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
}

Add a package to path in your running shell fish version available here

Usage: padd cowsay