Hands-on-ICON-data-analysis-for-beginners.md

@@ -2242,8 +2242,8 @@ setgridfile=${OUTPATH}/setgrid${Tlen}atmfile.nc
 iens=1
 YYYYint=$YYYYs
 YYYYce=`expr $YYYYe - $Tyear + 1`
-fqpt=$(expr $Tlen / 2 + 1 )
-fqptm=$(expr $Tlen / 2 )
+fqpt=$(`expr $Tlen / 2 + 1` )
+fqptm=$(`expr $Tlen / 2`)
 tvec=($(seq 0 1 $fqptm))
 tlist="time(:)={"$(printf "%s," "${tvec[@]}" | sed 's/,$//')"}"
 PSfac=$(echo "2/$Tlen" | bc -l )