escape back slahes first to avoid duped ones for quotes
escape back slahes first to avoid duped ones for quotes

kevinykuo/sparklyr,rstudio/sparklyr,rstudio/sparklyr,rstudio/sparklyr,rstudio/sparklyr,kevinykuo/sparklyr,kevinykuo/sparklyr,javierluraschi/sparkworker,kevinykuo/sparklyr