Added updated-datastax-license-version.sh to update datastax jar lice…

…nses while releasing 3.1 automatically

src/update-datastax-license-version.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+if [ "$#" -ne 3 ]; then
+  echo "Usage: $0 <filename> <current_version> <new_version>"
+  exit 1
+fi
+
+FILENAME="$1"
+CURRENT_VERSION="$2"
+NEXT_VERSION="$3"
+
+echo "$FILENAME"
+echo "$CURRENT_VERSION"
+echo "$NEXT_VERSION"
+
+if [ ! -f "$FILENAME" ]; then
+  echo "Error: File '$FILENAME' not found!"
+  exit 1
+fi
+
+while IFS= read -r LINE; do
+  if [[ "$LINE" == *"$CURRENT_VERSION"* ]]; then
+    UPDATED_LINE="${LINE/$CURRENT_VERSION/$NEXT_VERSION}"
+    echo "$UPDATED_LINE"
+  else
+    echo "$LINE"
+  fi
+done < "$FILENAME" > "$FILENAME.new"
+
+mv "$FILENAME.new" "$FILENAME"
+echo "License file '$FILENAME' updated successfully."