initial migration, not vetted

web/batch_glb_png/link_glbs.sh

@@ -0,0 +1,91 @@
+#!/bin/sh
+# 20260228 ChatGPT
+# $Header$
+#
+# Copy/paste:
+#   cd ~/work/Voron/renderlab/web/batch_glb_png
+#   chmod +x link_glbs.sh
+#   ./link_glbs.sh /home/jlpoole/work/Voron/test1
+#
+# This creates symlinks under ./glbs/ pointing to every *.glb under ROOT.
+
+set -eu
+
+ROOT="${1:-}"
+[ -n "$ROOT" ] || { echo "Usage: $0 /path/to/root" >&2; exit 2; }
+[ -d "$ROOT" ] || { echo "ERROR: not a directory: $ROOT" >&2; exit 2; }
+
+OUTDIR="./glbs"
+mkdir -p "$OUTDIR"
+
+ts="$(date +%Y%m%d_%H%M%S)"
+log="link_glbs_${ts}.log"
+
+# Make ROOT absolute and strip any trailing slash for consistent relpath math.
+ROOT_ABS="$(cd "$ROOT" && pwd)"
+ROOT_ABS="${ROOT_ABS%/}"
+
+echo "ROOT:    $ROOT_ABS"    | tee "$log"
+echo "OUTDIR:  $(cd "$OUTDIR" && pwd)" | tee -a "$log"
+echo "LOG:     $log"         | tee -a "$log"
+echo ""                     | tee -a "$log"
+
+# Sanitize: turn a path into a filesystem-safe basename.
+# Example:
+#   Klicky-Probe/Printers/Voron/.../Dock_mount_fixed_v2.stl.glb
+# becomes:
+#   Klicky-Probe__Printers__Voron__...__Dock_mount_fixed_v2.stl.glb
+sanitize() {
+  # shellcheck disable=SC2001
+  echo "$1" \
+  | sed 's|^/||' \
+  | sed 's|/|__|g' \
+  | sed 's|[^A-Za-z0-9._-]|_|g'
+}
+
+count=0
+skipped=0
+collisions=0
+
+# Use -print0 to handle spaces safely.
+find "$ROOT_ABS" -type f -name '*.glb' -print0 \
+| while IFS= read -r -d '' f; do
+    # Compute relative path under ROOT_ABS
+    rel="${f#$ROOT_ABS/}"
+
+    name="$(sanitize "$rel")"
+    linkpath="$OUTDIR/$name"
+
+    # If the link exists and points to the same target, skip quietly.
+    if [ -L "$linkpath" ]; then
+      target="$(readlink "$linkpath" || true)"
+      if [ "$target" = "$f" ]; then
+        echo "SKIP (already linked): $linkpath -> $f" >> "$log"
+        skipped=$((skipped+1))
+        continue
+      fi
+    fi
+
+    # If the name already exists but points elsewhere, disambiguate.
+    if [ -e "$linkpath" ]; then
+      i=1
+      base="$linkpath"
+      while [ -e "$linkpath" ]; do
+        linkpath="${base%.glb}_$i.glb"
+        i=$((i+1))
+      done
+      collisions=$((collisions+1))
+    fi
+
+    ln -s "$f" "$linkpath"
+    echo "LINK: $linkpath -> $f" >> "$log"
+    count=$((count+1))
+  done
+
+# The while loop runs in a subshell in many /bin/sh implementations,
+# so counters above may not update. Summarize by counting log lines instead.
+linked_lines="$(grep -c '^LINK: ' "$log" 2>/dev/null || echo 0)"
+skipped_lines="$(grep -c '^SKIP ' "$log" 2>/dev/null || echo 0)"
+
+echo "" | tee -a "$log"
+echo "DONE. linked=$linked_lines skipped=$skipped_lines (details in $log)" | tee -a "$log"