added script for loop R z alpha beta

scripts/Rzab.sh

@@ -0,0 +1,107 @@
+#!/bin/bash
+
+# set input/working/output folders
+in=/Users/daniela/Desktop/scenario_001/files5s
+work=/Users/daniela/Desktop/scenario_001/tmprzab2
+out=/Users/daniela/Desktop/scenario_001/outrzab2
+
+# launching points
+rmin=690
+rmax=710
+dr=5
+zmin=410
+zmax=460
+dz=5
+
+# steering range
+amin=20
+amax=66
+da=2
+bmin=18
+bmax=24
+db=1
+
+# check if working folder exists, otherwise create it
+if [[ ! -e $work ]]; then
+  mkdir $work
+else
+  if [[ ! -d $work ]]; then
+    echo $work is not a folder.
+    exit 1
+  fi
+fi
+# move to working folder
+cd $work
+if [[ $? != 0 ]]; then
+  echo Cannot move to $work
+  exit 1
+fi
+
+# check if output folder exists, otherwise create it
+if [[ ! -e $out ]]; then
+  mkdir $out
+else
+  if [[ ! -d $out ]]; then
+    echo $out is not a folder.
+    exit 1
+  fi
+fi
+
+eqfile=$in/F4E_Equil_10520.eqdsk
+# look for time value in equil file
+base=`basename $eqfile .eqdsk`
+tstr=`echo $base | grep "[[:digit:]]\{5\}" -o`
+t=`echo "$tstr-10000" | bc`
+# copy input files in working folder
+cp $eqfile ${base}.eqdsk
+cp $in/${base}.prf ${base}.prf
+
+  # set output file names
+  f7file=$out/f7_Rzab_${tstr}.txt
+  rm -f $out/log_Rzab_${tstr}.txt
+  # add header in output file
+  echo "# =============================" > $f7file
+  echo "# `date`" >> $f7file
+  echo "# Loop on launch points" >> $f7file
+  echo "# time=$t" >> $f7file
+  echo "# =============================" >> $f7file
+  appendheader=0
+  #loop on R
+  for (( r0=$rmin; r0<=$rmax ; r0=r0+dr )); do
+  #loop on z
+  for (( z0=$zmin; z0<=$zmax ; z0=z0+dz )); do
+  #loop on beta
+  for (( beta=$bmin; beta<=$bmax ; beta=beta+db )); do
+    #loop on alpha
+    for (( alpha=$amin; alpha<=$amax ; alpha=alpha+da )); do
+      # replace dummy values in template for gray.data
+      sed "s/-alfa-/$alpha/g; \
+           s/-beta-/$beta/g; \
+           s/-x0-/$r0/g; \
+           s/-z0-/$z0/g; \
+           s/-equil-/$base/g; \
+           s/-prf-/$base/g" $in/gray0.data > gray.data
+      # run gray
+      gray >> $out/log_Rzab_${tstr}.txt
+      if (( $appendheader==0 )); then
+        # append parameters to header if first run of the loop
+        cat headers.txt >> $f7file
+        echo "#R z beta alpha`head -n 1 fort.7 | sed 's/#//'`" >> $f7file
+        appendheader=1
+      fi
+      # add time and alpha values in first two columns
+      awk 'NR>1 {print '$r0','$z0','$beta','$alpha',$0}' fort.7 >> $f7file
+    done
+    #end of alpha loop
+    echo " " >> $f7file
+  done
+  #end of beta loop
+done
+#end of z loop
+done
+#end of R loop
+
+# remove files from working folder
+rm ${base}.eqdsk ${base}.prf fort.*
+
+#EOF