diff --git a/install.sh b/install.sh
index 143d8b6..1926077 100755
--- a/install.sh
+++ b/install.sh
@@ -5,17 +5,13 @@ if [[ $EUID -ne 0 ]]; then
   exit 1
 fi
 # Check dependencies
-if type curl &>/dev/null; then
-  echo "" &>/dev/null
-else
+if ! type curl &>/dev/null; then
   echo "You need to install 'curl' to use the chatgpt script."
-  exit
+  exit 0
 fi
-if type jq &>/dev/null; then
-  echo "" &>/dev/null
-else
+if ! type jq &>/dev/null; then
   echo "You need to install 'jq' to use the chatgpt script."
-  exit
+  exit 0
 fi
 
 # Installing imgcat if using iTerm
@@ -46,53 +42,43 @@ fi
 chmod +x /usr/local/bin/chatgpt
 echo "Installed chatgpt script to /usr/local/bin/chatgpt"
 
-echo "The script will add the OPENAI_KEY environment variable to your shell profile and add /usr/local/bin to your PATH"
-echo "Would you like to continue? (Yes/No)"
-read -e answer
-if [ "$answer" == "Yes" ] || [ "$answer" == "yes" ] || [ "$answer" == "y" ] || [ "$answer" == "Y" ] || [ "$answer" == "ok" ]; then
+echo "The script will add the OPENAI_KEY environment variable"
+echo "to your shell profile and /usr/local/bin to your PATH"
+read -ep "Would you like to continue? (Yes/No) " yn
+yn=${yn/Y/y}
+yn=${yn/ok/y}
+if ! test "${yn:0:1}" == "y"; then
+  echo
+  echo "Please take a look at the instructions to install manually:"
+  echo "https://github.com/0xacx/chatGPT-shell-cli/tree/main#manual-installation"
+  echo
+  exit 0
+fi
 
-  read -p "Please enter your OpenAI API key: " key
+read -p "Please enter your OpenAI API key: " key
 
-  # Adding OpenAI key to shell profile
-  # zsh profile
-  if [ -f ~/.zprofile ]; then
-    echo "export OPENAI_KEY=$key" >>~/.zprofile
-    if [[ ":$PATH:" != *":/usr/local/bin:"* ]]; then
-      echo 'export PATH=$PATH:/usr/local/bin' >>~/.zprofile
-    fi
-    echo "OpenAI key and chatgpt path added to ~/.zprofile"
-    source ~/.zprofile
-  # zshrc profile for debian
-  elif [ -f ~/.zshrc ]; then
-    echo "export OPENAI_KEY=$key" >>~/.zshrc
-    if [[ ":$PATH:" == *":/usr/local/bin:"* ]]; then
-      echo 'export PATH=$PATH:/usr/local/bin' >>~/.zshrc
-    fi
-    echo "OpenAI key and chatgpt path added to ~/.zshrc"
-    source ~/.zshrc
-  # bash profile mac
-  elif [ -f ~/.bash_profile ]; then
-    echo "export OPENAI_KEY=$key" >>~/.bash_profile
-    if [[ ":$PATH:" != *":/usr/local/bin:"* ]]; then
-      echo 'export PATH=$PATH:/usr/local/bin' >>~/.bash_profile
+# Adding OpenAI key to shell profile
+# RAF: .bashrc was missing, added + using a for loop
+envset=0
+for u in '' $SUDO_USER; do
+  for i in .zprofile .zshrc .bash_profile .bashrc .profile; do
+    pf=$(eval readlink -e ~$u/$i)
+    if [ -f "$pf" ]; then
+      echo "export OPENAI_KEY=$key" >> $pf
+      if [[ ":$PATH:" != *":/usr/local/bin:"* ]]; then
+        echo 'export PATH=$PATH:/usr/local/bin' >> $pf
+      fi
+      echo "OpenAI key and chatgpt path added to ~$u/$i"
+  # RAF: sourcing an enviroment within a sub-shell does not affect
+  #      the parent shell enviroment unless using source install.sh
+  #   source ~/$i
+      envset=1
     fi
-    echo "OpenAI key and chatgpt path added to ~/.bash_profile"
-    source ~/.bash_profile
-  # profile ubuntu
-  elif [ -f ~/.profile ]; then
-    echo "export OPENAI_KEY=$key" >>~/.profile
-    if [[ ":$PATH:" != *":/usr/local/bin:"* ]]; then
-      echo 'export PATH=$PATH:/usr/local/bin' >>~/.profile
-    fi
-    echo "OpenAI key and chatgpt path added to ~/.profile"
-    source ~/.profile
-  else
-    export OPENAI_KEY=$key
-    echo "You need to add this to your shell profile: export OPENAI_KEY=$key"
-  fi
-  echo "Installation complete"
+  done
+done
 
-else
-  echo "Please take a look at the instructions to install manually: https://github.com/0xacx/chatGPT-shell-cli/tree/main#manual-installation "
-  exit
+if [ $envset -eq 0 ]; then
+  export OPENAI_KEY=$key
+  echo "You need to add this to your shell profile: export OPENAI_KEY=$key"
 fi
+echo "Installation complete"