gistfile1.sh

#!/bin/bash
#
# Runs the 'Duplicate iTerm tab' AppleScript, enabling iTerm 2 to run this AppleScript when a
# given keyboard shortcut is triggered.
get_tty_cwd(){
  TTY=$1
  PID=`ps -f | grep $TTY | head -n 1 | awk '{ print $2; }'`
  lsof -a -d cwd -F n -p $PID | egrep -v 'p[0-9]+' | awk '{ sub(/^n/, ""); print; }'
}
export -f get_tty_cwd

osascript <<EOF
-- Duplicate iTerm tab.scpt
tell application "iTerm"
    tell the current terminal
        tell the current session
            set the_name to get name
            set tty_name to do shell script "basename " & (get tty)
            set working_dir to do shell script "get_tty_cwd " & tty_name
        end tell
 
        launch session "Default Session"
        tell the last session
            set name to the_name
            write text "cd '" & working_dir & "'"
        end tell
    end tell
end tell
EOF