1 files changed, 59 insertions, 0 deletions
diff --git a/lib/common.sh b/lib/common.sh
new file mode 100644
index 0000000..07df773
--- /dev/null
+++ b/lib/common.sh
@@ -0,0 +1,59 @@
+# Copyright 2017 Google Inc.
+#
+# 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
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# 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.
+
+mapfile -t GTD_TXT_DATA < <(find "${GTD_TXT_REPOSITORY:-$HOME/gtd.txt/data}" \
+  -maxdepth 1 -type f -not -name '*~')
+GTD_TXT_DATA=("${GTD_TXT_DATA[@]}" /dev/null)  # ensure GTD_TXT_DATA is nonempty
+readonly GTD_TXT_DATA
+
+common_awk() {
+  local -r AWKLIB='
+    BEGIN {
+      RS = "\n\n---\n\n"
+      FS = "\n"
+    }
+    function array_empty(arr,    i) {
+      for (i in arr)
+        return 1
+      return 0
+    }
+    function filename(    file) {
+      file = FILENAME
+      gsub(PWD "/", "", file)
+      gsub(HOME, "~", file)
+      return file
+    }
+    function showWithFile(text) {
+      if (text != "")
+        text = text "  "
+      printf("%s%s%s%s\n", text, grey, filename(), normal)
+    }
+  '
+  local program="$1"
+  shift
+  awk \
+    -v HOME="$HOME" \
+    -v PWD="$PWD" \
+    -v grey="$(tput setaf 8)" \
+    -v normal="$(tput sgr0)" \
+    "$AWKLIB
+     $program" \
+    "$@"
+}
+
+join_by() {
+  local IFS="$1"
+  shift
+  echo "$*"
+}