#!/bin/bash

#init path
if [[ -z "$1" ]]
then
path=$PATH
else
path=$1
fi

newPath=""

if [[ "$1" == "-h" ]] || [[ "$1" == "--help" ]]
then
echo This script is clearing PATH directory
exit 0;
fi

IFS=":" read -ra h<<<"$path"
  for i in "${h[@]}"; do
   if [ -d "$1" ]
    then
    for path in $(find "$i" -maxdepth 1 -type f -executable)
      do
        if ((${#newPath} == 0 ))
          then
          newPath=$i
          elif [[ $newPath != *"$i"* ]]
           then
           newPath=$newPath":"$i
          fi
   done
fi
done

echo "$newPath"