exit 1
}
+outdir=$(readlink -f "$1")
+
+mkdir -p "$outdir" || {
+ echo "Unable to mkdir '$outdir'" >&2
+ exit 1
+}
+
(
cd "$topdir/build/luadoc/"
find "$topdir/libs/" "$topdir/modules/" -type f -name '*.lua' -or -name '*.luadoc' | \
- xargs grep -l '@return' | xargs ./doc.lua --no-files -d "$1"
+ xargs grep -l '@return' | xargs ./doc.lua --no-files -d "$outdir"
)