5.1
./test2.sh: line 16: 6: No such file or directory
(msrbf)Nguyen-Thu-Trangs-MacBook-Pro:tmp truongminhsang$ cat
defcon-master/  envs/           test.sh         test1.sh        test2.sh        ufo2fdk-master/
(msrbf)Nguyen-Thu-Trangs-MacBook-Pro:tmp truongminhsang$ cat test2.sh
#! /usr/bin/env bash
if [ -d "/usr/lib/postgresql/" ]; then
 for e in /usr/lib/postgresql/*; do
  if [ -d "$e" ]; then
   export PATH=$e/bin/:$PATH;
   echo $PATH
   break
  fi
 done
fi


if xcodebuild -version > /dev/null 2>&1; then
 version="$(xcodebuild -version | awk 'NR==1{print $2}')" ;
 echo $version
 if [ "$version" < "6" ]; then
  echo "Please upgrade Xcode"
 fi
else
 echo "Please install Xcode"
fi