#!/bin/bash
IFS=$'\n' g=0 t=0 c=0 d=0 p=0 a=0 o=0 l=0 e=0
for pkg in $(LC_ALL=C pacman -Ss | grep '^[^ ]*/[^ ]* [0-9]*.* \[installed\]'); do 
  r=$(echo $pkg | sed 's/\/.*//')
  n=$(echo $pkg | sed 's/.*\///; s/ [\[(].*//')
  case $r in
    "desktop")  let d=$d+1; dp+=("$n");;
    "games")    let g=$g+1; gp+=("$n");;
    "testing")  let t=$t+1; tp+=("$n");;
    "core")     let c=$c+1; cp+=("$n");;
    "platform") let p=$p+1; pp+=("$n");;
    "apps")     let a=$a+1; ap+=("$n");;
    "lib32")    let l=$a+1; lp+=("$n");;
    "extra")    let e=$a+1; ep+=("$n");;
    *) let o=$o+1; op+=("$n");;
  esac
done

if [[ $1 == "-v" ]]; then
    printf "[core]\n"
    printf "%s\n" ${cp[@]-(None)}
    printf "\n[platform]\n"
    printf "%s\n" ${pp[@]-(None)}
    printf "\n[desktop]\n"
    printf "%s\n" ${dp[@]-(None)}
    printf "\n[apps]\n"
    printf "%s\n" ${ap[@]-(None)}
    printf "\n[games]\n"
    printf "%s\n" ${gp[@]-(None)}
    printf "\n[lib32]\n"
    printf "%s\n" ${lp[@]-(None)}
    printf "\n[extra]\n"
    printf "%s\n" ${ep[@]-(None)}
    printf "\n[testing]\n"
    printf "%s\n" ${tp[@]-(None)}
    printf "\nOther (staging,kde-unstable)\n"
    printf "%s\n\n" ${op[@]-(None)}
fi

printf "Summary\n"
printf "[core]: $c\n"
printf "[platform]: $p\n"
printf "[desktop]: $d\n"
printf "[apps]: $a\n"
printf "[games]: $g\n"
printf "[lib32]: $g\n"
printf "[extra]: $g\n"
printf "[testing]: $t\n"
printf "Other (staging,kde-unstable): $o\n"
IFS=' '