1. ioreg -c -r is much faster, thx to meal (http://hints.macworld.com/article.php?story=20100130123935998) for the tested awk 'grep'

2. disable package manager per default since it costs more than 300ms

saved: 500ms \!

Author: childnode

bin/archey

@@ -6,11 +6,11 @@ bash.' && exit 2)
 
 # Detect the packager.
 if [ -x /usr/local/bin/brew ]; then
-  packager=homebrew
+  detectedpackager=homebrew
 elif command -v port >/dev/null; then
-  packager=macports
+  detectedpackager=macports
 else
-  packager=none
+  detectedpackager=none
 fi
 
 # Get the command line options
@@ -20,6 +20,9 @@ opt_offline=f
 for arg in "$@"
 do
   case "${arg}" in
+    -p|--packager)
+      packager=$detectedpackager
+      ;;
     -m|--macports)
       packager=macports
       ;;
@@ -36,7 +39,8 @@ do
     -h|--help)
       echo "Usage: $0 [options]"
       echo
-      echo "  -m --macports  Use MacPorts as package system (default packager: ${packager})."
+      echo "  -p --packager  Use auto detected package system (default packager: ${detectedpackager})."
+      echo "  -m --macports  Force use MacPorts as package system."
       echo "  -b --nocolor   Turn color off."
       echo "  -c --color     Force the color on (overrides --nocolor)."
       echo "  -o --offline Disable the IP address check."
@@ -72,7 +76,7 @@ uptime=$(uptime | sed 's/.*up \([^,]*\), .*/\1/')
 shell="$SHELL"
 terminal="$TERM ${TERM_PROGRAM//_/ }"
 cpu=$(sysctl -n machdep.cpu.brand_string)
-battery=$(ioreg -l | grep -i capacity | tr '\n' ' | ' | awk '{printf("%.2f%%", $10/$5 * 100)}')
+battery=$(ioreg -c AppleSmartBattery -r | awk '$1~/Capacity/{c[$1]=$3} END{OFMT="%.2f%%"; max=c["\"MaxCapacity\""]; print (max>0? 100*c["\"CurrentCapacity\""]/max: "?")}')
 
 # removes (R) and (TM) from the CPU name so it fits in a standard 80 window
 cpu=$(echo "$cpu" | awk '$1=$1' | sed 's/([A-Z]\{1,2\})//g')
@@ -115,7 +119,9 @@ fieldlist[${#fieldlist[@]}]="${textColor}Kernel:${normal} ${kernel}${normal}"
 fieldlist[${#fieldlist[@]}]="${textColor}Uptime:${normal} ${uptime}${normal}"
 fieldlist[${#fieldlist[@]}]="${textColor}Shell:${normal} ${shell}${normal}"
 fieldlist[${#fieldlist[@]}]="${textColor}Terminal:${normal} ${terminal}${normal}"
-fieldlist[${#fieldlist[@]}]="${textColor}Packages:${normal} ${packagehandler}${normal}"
+if [ ${packagehandler} -ne 0 ]; then
+    fieldlist[${#fieldlist[@]}]="${textColor}Packages:${normal} ${packagehandler}${normal}"
+fi
 fieldlist[${#fieldlist[@]}]="${textColor}CPU:${normal} ${cpu}${normal}"
 fieldlist[${#fieldlist[@]}]="${textColor}Memory:${normal} ${ram}${normal}"
 fieldlist[${#fieldlist[@]}]="${textColor}Disk:${normal} ${disk}${normal}"