wpchange.sh for iterm2 version3

wp_change.sh

#!/bin/sh

CMDNAME=`basename $0`
BASE_DIR=$(cd $(dirname $0);pwd)

image_list=(${BASE_DIR}/*.jpg)
numimglist=${#image_list[@]}
rannum=$(( $RANDOM % ${numimglist}))
image_path=${image_list[$rannum]}

# osascript -e "tell application \"iTerm\"
#                 set current_terminal to (current terminal)
#                 tell current_terminal
#                   set current_session to (current session)
#                   tell current_session
#                     set background image path to \"$image_path\"
#                   end tell
#                 end tell
#               end tell"

osascript -e "tell application \"iTerm\"
                set current_session to (current session of first window)
                tell current_session
                  set background image to \"$image_path\"
                end tell
              end tell"