minor perf idiom improvement

[tee-unique] / appendu-function

diff --git a/appendu-function b/appendu-function
index 40a4edfa4d6ef92c33530c77cd643461ffb06ed6..a169bd7cf680a860116d46928b442b9583baaadb 100644 (file)
--- a/appendu-function
+++ b/appendu-function
@@ -56,7 +56,7 @@ Appended lines are output to the terminal.
         readsudo=
         writesudo=
     fi
-    if [[ $@ ]]; then
+    if (( $# )); then
         for x in "$@"; do
             [[ -e "$file" ]] && $readsudo grep -q "^$x$" "$file" || $writesudo tee -a "$file"<<<"$x"
         done