message: Allow for running nodes selectively.
diff: @@ -57,8 +57,12 @@ sed -i "s/^\([[:alnum:]_]*timestamp\) = .*/\1 = $(date '+%s000')/" ${CHAINSPEC}
  sed -i 's|\.\./\.\.|'"$BASEDIR"'|' ${CHAINSPEC}
  sed -i 's|accounts\.csv|'"$BASEDIR"'/resources/local/accounts.csv|' ${CHAINSPEC}
  +NODES="$@"
  +
  for i in 1 2 3 4 5; do
  - run_node $i
  + case "$NODES" in
  + *"$i"*) echo "Running node-$i" && run_node $i
  + esac
  done;
  echo "Test network started."
  