better sync

sync-pictures

@@ -10,24 +10,34 @@
 # Adjust SHARE and SUBPATH to match your environment.
 
 RECURSIVE=""
+SUBDIR=""
 
 for arg in "$@"; do
   case "$arg" in
     --help|-h)
       cat <<'EOF'
-Usage: sync-pictures [options]
+Usage: sync-pictures [options] [<subdir>]
 
-Sync ~/Pictures to a NAS share and run neatcli organize on both ends.
+Sync ~/Pictures (or a subdirectory) to a NAS share and run neatcli organize on both ends.
 
 Options:
-  -r, --recursive   Sync subdirectories recursively (default: top-level files only)
+  -r, --recursive   Sync recursively (default: top-level files only)
   -h, --help        Show this help message and exit
+
+If <subdir> is given, sync only that subdirectory relative to ~/Pictures.
+Use '.' to refer to ~/Pictures itself.
 EOF
       exit 0
       ;;
     --recursive|-r)
       RECURSIVE=1
       ;;
+    *)
+      [ -z "${SUBDIR}" ] && SUBDIR="${arg}" || {
+        echo "[sync-pictures] ERROR: Unexpected argument: ${arg}"
+        exit 1
+      }
+      ;;
   esac
 done
 
@@ -36,6 +46,10 @@ SUBPATH="Pictures"
 MOUNTPOINT="${HOME}/mnt/miniShare1"
 CREDENTIALS="${HOME}/.smb/mini.nas"
 SOURCE="${HOME}/Pictures"
+if [ -n "${SUBDIR}" ] && [ "${SUBDIR}" != "." ]; then
+  SOURCE="${SOURCE}/${SUBDIR}"
+  SUBPATH="${SUBPATH}/${SUBDIR}"
+fi
 START="$(date +%s)"
 
 echo "[sync-pictures] Starting at $(date)"