add sacle computation in script

work/batch/cc/runMCMC_class.sh

@@ -59,6 +59,7 @@ if [ $ndim -ne $nlines ] ; then
 echo "covariance matrix not compatible in size with parFile"
 exit 1
 fi
+scale=$(echo "$ndim" | awk '{printf(2.38*2.38/$0)}')
 
 
 cat > mc_setup <<EOF
@@ -66,6 +67,7 @@ length=$NSAMPLES
 proposal_cov=$cov
 derived=sigma8 
 do_mPK=true
+scale=$scale
 EOF
 
 echo "**************************************"