stuff

packages/shellvaculib/shellvaculib.bash

@@ -305,3 +305,27 @@ svl_confirm_or_die() {
     svl_die "exiting"
   fi
 }
+
+# svl_count #=> 0
+# svl_count a b c #=> 3
+# prints the number of arguments on stdout.
+svl_count() {
+  echo $#
+  return 0
+}
+
+svl_count_matches() {
+  svl_exact_args $# 1
+  declare nullglob_before
+  if shopt -q nullglob; then
+    nullglob_before=enabled
+  else
+    nullglob_before=disabled
+  fi
+  shopt -s nullglob
+  svl_count $1
+  if [[ "$nullglob_before" == "disabled" ]]; then
+    shopt -u nullglob
+  fi
+  return 0
+}