refresh token overwrite error handling to prevent destruction of valid token in file if something fails

getNewAccessToken.sh

@@ -13,9 +13,15 @@ if [[ $? -ne 0 ]]; then
   systemd-cat -t "`basename $0`" -p err <<< ${errMsg}
   >&2 echo "${errMsg}"
   curl -d "" -X POST "https://deadswitch.kawomi.com/api/v1?topic=trade.schwab.error.getNewAccessToken&secs=1&email=joe@kawomi.com"
+  exit 1
 fi
 #echo Access Token: $(<access_token.dat)
-#jq -r .refresh_token ./accessTokenReqResp.json > refresh_token.dat
+
+# I have not seen it change, but let's see if they give us a new one before expiry... 
+#  after all they send it so we should probably process it.
+jq -e -r .refresh_token temp/accessTokenReqResp.$$.json > temp/refresh_token.dat
+if [[ $? -eq 0 ]]; then
+  mv temp/refresh_token.dat refresh_token.dat
+fi
 #echo Refresh Token: $(<refresh_token.dat)
-#rm ./refreshTokenReqResp.json