generic package mgmt commands

pakg.sh

#!/bin/sh
if [ -z "$1" ]
then
    echo "Usage: pakg <i(nstall)|r(emove)|s(earch)|u(pdate)|l(ist)>"
else
    os=$([[ -f /etc/os-release ]] && grep ^ID= /etc/os-release | cut -d = -f 2 || uname)
    echo --------------------- "$os" --------------------
    command=$1
    shift
    case $os in
	      debian|Ubuntu)
	          case $command in
		            i)
		                sudo apt-get install "$@"
		                ;;
		            r)
		                sudo apt-get remove "$@"
		                ;;
		            s)
		                apt-cache search "$@"
		                ;;
		            u)
		                sudo apt-get update && sudo apt-get upgrade
		                ;;
		            l)
		                sudo apt list --installed
		                ;;
		            c)
		                sudo apt-get autoremove
		                ;;
	          esac
	          ;;
	      darwin*|Darwin*)
	          case $command in
		            i)
		                brew install "$@"
		                ;;
		            r)
		                brew remove "$@"
		                ;;
		            s)
		                brew search "$@"
		                ;;
		            u)
		                brew update
		                ;;
		            l)
		                brew list
		                ;;
		            c)
		                brew cleanup
		                ;;
	          esac
	          ;;
	      *)
	          echo "Unknown OS. Please add it to $(basename "$0") pakg function"
    esac
fi