fix bug, exited instead of return

[tee-unique] / appendu-function

diff --git a/appendu-function b/appendu-function
index 40a4edfa4d6ef92c33530c77cd643461ffb06ed6..9dc9b5a601c604f599eae097f22814db3dd0959c 100644 (file)
--- a/appendu-function
+++ b/appendu-function
@@ -49,14 +49,14 @@ Appended lines are output to the terminal.
             [[ ! -w $dir ]] && writesudo=sudo
         else
             echo "appendu error: $dir does not exist"
-            exit 1
+            return 1
         fi
     fi
     if ! $dosudo; then
         readsudo=
         writesudo=
     fi
-    if [[ $@ ]]; then
+    if (( $# )); then
         for x in "$@"; do
             [[ -e "$file" ]] && $readsudo grep -q "^$x$" "$file" || $writesudo tee -a "$file"<<<"$x"
         done