Use arrays for the program variables

Also,
- Fix --search-by-data with $output_program != cat.
 `- Required a the introduction of $tmp_dir.
- Correct some bad explanation in ctct_config(5).
- Correctly initialize $user_config_file in the script.

1 files changed, 3 insertions, 1 deletions

diff --git a/TODO b/TODO
index aa09340..a23117d 100644
--- a/TODO
+++ b/TODO
@@ -3,7 +3,6 @@ TODO file for ctct
 [GENERAL]
 * Honor $VISUAL.
 * Honor XDG user dirs.
-* Use arrays for the program configuration variables.
 * Use git tags for future versions.
 * [consider] Remove character restriction except '.', '/'.
 * [consider] Require at least one argument for --search-by-*.
@@ -28,7 +27,10 @@ TODO file for ctct
   separator.
 
 [INTERNAL]
+* Be consistent in usage of [, test, [[.
+* Be consistent in quoting.
 * [consider] Initial cd to $datadir.
+* [consider] Global attribute for a program variable whether non 'cat'.
 
 [MANUAL]
 * Add an EXAMPLE section to ctct(1).