#!/bin/bash
+# Copyright (C) 2016 Ian Kelling
+
+# 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
+
+# http://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.
+
+
# avoiding bashisms so it can be used in edge cases where I don't have bash,
# however, I'm not super confident that I've avoided them all
#
-#
path_add() {
local help="usage: path_add [options] PATH
--help: print this
--end: adds to end of path, which will give it lowest priority
---ifexists: add to path only if the directory exists"
+--force: add to path even if directory does not exist"
local found x y z ifexists end loop newpath
- ifexists=false
+ force=false
end=false
loop=true
# portable substring matching is ugly http://mywiki.wooledge.org/BashFAQ/041
--*)
if [ "$1" = --end ]; then
end=true
- elif [ "$1" = --ifexists ]; then
- ifexists=true
+ elif [ "$1" = --force ]; then
+ force=true
elif [ "$1" = --help ]; then
echo "$help"
return
unset IFS
PATH="$newpath"
for x in "$@"; do
- if ! $ifexists || [ -d "$x" ]; then
+ if $force || [ -d "$x" ]; then
if [ ! "$PATH" ]; then
PATH="$x"
elif $end; then