zrun, to run specs and save the ones tha fail

gistfile1.sh

function zrun() {
  SPEC_FILE=$1
  SPEC_LOG=/tmp/rspec.log
 
  if [ $SPEC_FILE ]; then
    rspec $SPEC_FILE 2>&1 | tee $SPEC_LOG
  else
    cat $SPEC_LOG | grep "^rspec" | cut -d ' ' -f 2 | xargs rspec 2>&1 | tee $SPEC_LOG
  fi
}