PortableBrowserInstall

#!/bin/sh
#
#Selector for portable web browsers, copied from © Mike Walsh Apr 2018
#

#/usr/local/PortableBrowserInstaller/yad_dnld.sh

#https://unix.stackexchange.com/questions/145651/using-exec-and-tee-to-redirect-logs-to-stdout-and-a-log-file-in-the-same-time
#logfile=/var/log/PortableBrowserInstall.log
#[-e "$logfile" ] && rm"$logfile"
#exec &> >(tee -a "$logfile" )

if [ ! -z "`which yad`" ]; then

yad --center --window-icon=/usr/local/lib/X11/pixmaps/www48.png --title="Portable Web Browser Installer" --form --width=450 --text="PORTABLE WEB BROWSER INSTALLER
--------------------------------------------------
Please choose your desired browser:" \
--image="/usr/local/lib/X11/pixmaps/www48.png" \
--field="Firefox Quantum":fbtn "ffinst" \
--field="Palemoon":fbtn "pminst" \
--field="Seamonkey":fbtn "sminst" \
--field="Thunderbird email client":fbtn "tbinst" \
--no-buttons --close-on-unfocus

else
  #tty -s; if [ $? -ne 0 ]; then defaultterminal -hold -e "$0"; exit; fi
  bla=$(basename `tty`) && exit_status=0 || exit_status=1
  #exit_status=$?
  [ $bla -eq $bla ] 2>/dev/null && not_a_num=0 || not_a_num=1
  echo "not_a_num=$not_a_num">2
  echo "exit_status=$exit_status">2
  echo "bla=$bla" >2
  if [ $exit_status -ne 0 ] ||
     [ $not_a_num -eq 1 ] ||
     [ $bla -eq 0 ]; then
    defaultterminal -hold -e "$0"
  fi
  tempfile=/tmp/bla
  dialog --backtitle "CPU Selection" \
  --ok-label "OK" \
  --radiolist "Please spacebar to select your desired browser:" 10 40 4 \
        1 "Firefox Quantum" off \
        2 "Palemoon" on \
        3 "Seamonkey" off \
        4 "Thunderbird email client" off \
        2> $tempfile
  is_ok="$?"
  browser_choice=`cat $tempfile`
  echo browser_choice
  if [ $is_ok -eq 0 ]; then
    case "$browser_choice" in
    1) ffinst ;;
    2) pminst ;;
    3) sminst ;;
    4) tbinst ;;
    esac
  fi
fi