fix bug

[tee-unique] / teeu-function

diff --git a/teeu-function b/teeu-function
index 5845aff2c40cdfe88597fc762b8932ff2b2ef20a..e4705b7afd3e07a3803602cdd9aad9deec0295e1 100644 (file)
--- a/teeu-function
+++ b/teeu-function
@@ -8,7 +8,6 @@ teeu() {
 Tee unique. Append each LINE or if none, each stdin line to FILE if it does not exist in FILE.
 
   [-h|--help]  display this message"
-
     
     if [[ $1 == --help || $1 == -h ]]; then
         echo "$help"
@@ -20,11 +19,9 @@ Tee unique. Append each LINE or if none, each stdin line to FILE if it does not
         echo "$help"
         return 1
     fi
-    local file="$1"; shift
-
     local MAPFILE
-    mapfile -t
-    for line in "${@:-$MAPFILE[@]}"; do
+    (( ${#@} >= 2 )) && MAPFILE="${@:2}" || mapfile -t
+    for line in "${$MAPFILE[@]}"; do
         grep -xFq "$line" "$1" &>/dev/null || tee -a "$1" <<<"$line"
     done
     return 0