add helper scripts

generate.sh

@@ -0,0 +1,5 @@
+for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+do
+	./make-svg.sh $i
+	ffmpeg -i $i.svg -vf "scale=800:600" -pix_fmt argb -r 30 -f rawvideo $i.dat
+done

make-svg.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# usage: ./make-svg.sh 123   → creates 123.svg in the current directory
+
+NUM=$1                                 # the number (or any text) you want inside the SVG
+OUT="${NUM}.svg"                       # name the file after the number (change if you wish)
+
+# --- 1️⃣ Write the SVG XML directly ------------------------------------------------
+printf '%s\n' \
+'<?xml version="1.0" encoding="UTF-8"?>' \
+'<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="200" height="100">' \
+'  <style>text{font-family:Arial,Helvetica,sans-serif; font-size:48px; fill:#fff;}</style>' \
+'  <text x="50%" y="50%" dominant-baseline="middle" text-anchor="middle">' \
+"$NUM" \
+'  </text>' \
+'</svg>' > "$OUT"
+
+echo "✅  SVG written to $OUT"