X-Git-Url: https://iankelling.org/git/?p=tee-unique;a=blobdiff_plain;f=teeu-function;h=5845aff2c40cdfe88597fc762b8932ff2b2ef20a;hp=33347f74a0bc9b912be46d2d8dcd7992c4c60552;hb=ad53fa76300d63ff54840321af31ebcb6bb3ef9a;hpb=9742f5f097a6d818d44562e3bc46fb2893f013ce

diff --git a/teeu-function b/teeu-function
index 33347f7..5845aff 100644
--- a/teeu-function
+++ b/teeu-function
@@ -2,10 +2,10 @@
 # Copyright (C) 2014 Ian Kelling
 # This program is under GPL v. 3 or later, see <http://www.gnu.org/licenses/>
 
-appendu() {
-    local help="Usage: appendu [-h|--help] FILE
+teeu() {
+    local help="Usage: appendu [-h|--help] FILE [LINE]
 
-Tee unique. Append each stdin line if it does not exist in the file
+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"
 
@@ -15,15 +15,16 @@ Tee unique. Append each stdin line if it does not exist in the file
         return
     fi
     
-    if [[ ${#@} == 0 ]]; then
-        echo "error: need 1 or more arguments"
+    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 "${MAPFILE[@]}"; do
+    for line in "${@:-$MAPFILE[@]}"; do
         grep -xFq "$line" "$1" &>/dev/null || tee -a "$1" <<<"$line"
     done
     return 0