This zsh script surveys your UNIX system to identify which package managers are installed, swiftly scanning through a predefined list of popular managers and signaling their availability, making the task of installing new software packages a breeze.

check-package-managers.sh

#!/bin/zsh

# Define a list of package managers to check
package_managers=("apt" "yum" "dnf" "brew" "zypper" "pacman" "emerge" "nix" "snap" "flatpak")

echo "Initiating package manager detection..."

# Start checking phase
echo "\e[32m==> Starting Detection Phase\e[0m"

# Loop through the array of package managers and check if they are installed
for manager in "${package_managers[@]}"; do
  if command -v $manager > /dev/null; then
    echo "\e[35m→ $manager is installed\e[0m"
  else
    echo "$manager is not installed"
  fi
done

# Ending checking phase
echo "\e[32m==> Ending Detection Phase\e[0m"

# Conclusion report
echo "\e[34m\033[1mConclusion:\033[0m \e[34mAbove listed are the detected package managers on your system.\e[0m"