Added Config file support

Author: primis

README.md

@@ -29,6 +29,10 @@ curl https://cdn.rawgit.com/pimterry/notes/v0.1.2/notes > /usr/local/bin/notes &
 
 By default your notes live in ~/notes, but you can change that to anywhere you like by setting the `$NOTES_DIRECTORY` environmental variable.
 
+## How do I configure this?
+
+You can set the configuration by creating a file at "~/.config/notes/config". We've included an example for you (config.example) that you can copy.
+
 ### Bash completion
 
 If you want bash autocompletion copy the completion script into the bash completion directory. The bash completion directory is `/usr/share/bash-completion/completions/` on a typical debian jessie install, you can you can get the bash completion directory by running the following command:

config.example

@@ -0,0 +1,6 @@
+# This is an example configuration file for notes 
+# To use it, copy to ~/.config/notes/config
+# This config is case sensitive
+
+# Set the editor that notes are opened with
+EDITOR=nano

notes

@@ -1,5 +1,10 @@
 #!/usr/bin/env bash
 
+# Look for configuration file at ~/.config/notes/config and use it
+if [ -f ~/.config/notes/config ]; then 
+    . ~/.config/notes/config
+fi
+
 configured_dir=${NOTES_DIRECTORY%/} # Remove trailing slashes
 notes_dir="${configured_dir:-$HOME/notes}"
 escaped_notes_dir="$(printf "$notes_dir" | sed -e 's/[]\/$*.^|[]/\\&/g')"