X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=teeu;h=4d9c6a0bed8d91508770759ab4b7f3fe933e2716;hb=ed30fdba58a865c2a2d7132348a6521b87d809c5;hp=074dc4dd18c9ab2a30e3a173f71bbc110979658c;hpb=c9589ac3b5a1a97bddad6e0f3a52b26588dd47ac;p=tee-unique

diff --git a/teeu b/teeu
index 074dc4d..4d9c6a0 100755
--- a/teeu
+++ b/teeu
@@ -1,31 +1,48 @@
 #!/bin/bash
-# Copyright (C) 2014 Ian Kelling
-# This program is under GPL v. 3 or later, see <http://www.gnu.org/licenses/>
+# Copyright (C) 2024 Ian Kelling
 
-appendu() {
-    local help="Usage: appendu [-h|--help] FILE
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 
-Tee unique. Append each stdin line if it does not exist in the file.
+#     http://www.apache.org/licenses/LICENSE-2.0
 
-  [-h|--help]  display this message"
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 
-    
-    if [[ $1 == --help || $1 == -h ]]; then
-        echo "$help"
-        return
-    fi
-    
-    if [[ ${#@} == 0 ]]; then
-        echo "error: need 1 or more arguments"
-        echo "$help"
-        return 1
-    fi
+teeu() {
+  local help="Usage: teeu [-h|--help] FILE [LINE]
+Append LINE if it's not already in FILE
 
-    local MAPFILE
+If no LINE is specified, process each line from STDIN.
+teeu is short for tee unique.
+
+-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
+  file="$1"
+  shift
+  local MAPFILE
+  if [[ $1 ]]; then
+    MAPFILE=("$*")
+  else
     mapfile -t
-    for line in "${MAPFILE[@]}"; do
-        grep -xFq "$line" "$1" &>/dev/null || tee -a "$1" <<<"$line"
-    done
-    return 0
+  fi
+  for line in "${MAPFILE[@]}"; do
+    grep -xFq "$line" "$file" &>/dev/null || tee -a "$file" <<<"$line"
+  done
+  return 0
 }
 teeu "$@"