/usr/local/bin/defaultbrowser (TazPup64 - s243a)

#!/bin/sh
#set -x
if [ "$TEXTDOMAIN" = 'tazpanel' ]; then
  BROWSER_CHOICES=( tazweb midori palemoon firefox opera iron chomium chrome netsurf lynx )
else
  BROWSER_CHOICES=( opera palemoon firefox tazweb midori iron chomium chrome netsurf lynx )
fi

for  BROWSER_OPTION in "${BROWSER_CHOICES[@]}"; do
  case "$BROWSER_OPTION" in
  opera|iron|iron-linux|chromium|chrome) #Maybe create a symblink if the name doesn't match
  if [ ! -z "`which opera`" ]; then
    if [ "`id -u`" -eq 0 ]; then
      exec "$BROWSER_OPTION" --no-sandbox "$@"
      break
    else
      exec opera "$BROWSER_OPTION"
      break
    fi
  fi
  ;;
  palemoon)
    if [ -f "/opt/palemoon/palemoon" ]; then
      CMD=/opt/palemoon/palemoon
    elif [ ! -z "`which palemoon`" ]; then
      CMD="palemoon"
    else
      continue
    fi
    exec "$CMD" "$@"
    break
    ;;
  firefox*)
    if [ -f "/opt/mozilla/firefox/firefox" ] && [ "$BROWSER_OPTION" = "firefox-official" ]; then
      #Firefox craches when you drag tabs
      #exec apulse /opt/mozilla/firefox/firefox "$@"
      CMD=/opt/mozilla/firefox/firefox
    elif [ ! -z `which "$BROWSER_OPTION"` ]; then #we expect $BROWSER_OPTION to be either firefox or firefox-official
      CMD="$BROWSER_OPTION"
    elif [ ! -z "which firefox" ]; then
      CMD=firefox
    else
      continue
    fi
    if [ -h "$CMD" ]; then
      CMD=`readlink "$CMD"`
    fi
    if [ ! -z "`which apulse`" ] && [ $(file $CMD | grep -c ELF ) -gt 0 ]; then
      CMD="apulse $CMD"
    fi
    exec $CMD "$@"
    ;;
  *) #e.g. tazweb, nidori
    if [ ! -z "`which $BROWSER_OPTION`" ]; then
      #The midori in the repo doesn't work. Maybe try one from a debian repo.
      exec "$BROWSER_OPTION" "$@"
      break
    fi
  esac
done