X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=teeu;h=948169dbffdd190d66a2cb502ec0807800ef4012;hb=ea655d17a5e11dd740574d0a1d5ca2401d5cf063;hp=5be4b7688b3d14310a79efb5749e643cc3704027;hpb=ad53fa76300d63ff54840321af31ebcb6bb3ef9a;p=tee-unique

diff --git a/teeu b/teeu
index 5be4b76..948169d 100755
--- a/teeu
+++ b/teeu
@@ -9,22 +9,19 @@ Tee unique. Append each LINE or if none, each stdin line to FILE if it does not
 
   [-h|--help]  display this message"
 
-    
     if [[ $1 == --help || $1 == -h ]]; then
         echo "$help"
         return
     fi
-    
+
     if (( ${#@} == 0 )) ; then
         echo "teeu error: need 1 or more arguments"
         echo "$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