allow line arguments

[tee-unique] / teeu-function

diff --git a/teeu-function b/teeu-function
index 9d2c5b939c4d5a6c71183aea82d11225fedf9851..5845aff2c40cdfe88597fc762b8932ff2b2ef20a 100644 (file)
--- 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