Implement DEM and many other features

Created by: rafaelravedutti

data/add_flags.sh

+#!/bin/bash
+
+count=0
+
+# iterate over each remaining line in the file
+while IFS= read -r line; do
+  if [ $count -gt 0 ]; then
+    printf "%s,0\n" "$line"
+  else
+    printf "%s\n" "$line"
+  fi
+  count=$((count + 1))
+done < "$1"