create script unset_env.sh to remove env variables defined by set_env.sh

unset_env.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+file_env=tempFILE
+if [ -e  "$file_env" ] ; then
+  rm "$file_env"
+fi
+if [ "$#" -le 0 ] ; then
+  echo "Usage: $0 file_name" >&2
+  echo "for example: $0 ~/.bashrc" >&2
+  echo "or remove these lines in bash profile (for example: ~/.bashrc) th file you have set whith set_env.sh"
+  echo "export CPATH=$PWD/include_ytest/include:\$CPATH" >> $file_env
+  echo "export LD_LIBRARY_PATH=$PWD:\$LD_LIBRARY_PATH" >> $file_env
+
+  cat $file_env
+  rm $file_env
+fi
+
+
+if [ "$#" -ge 1 ] ; then
+  sed -i "\@export CPATH=$PWD/include_ytest/include:\$CPATH@d" "$1"
+  sed -i "\@export LD_LIBRARY_PATH=$PWD:\$LD_LIBRARY_PATH@d"  "$1"
+  
+fi