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, 2 insertions, 0 deletions

diff --git a/CHANGELOG b/CHANGELOG
index a9b6d65..967666e 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -19,6 +19,8 @@ General:
  `- E.g., if $datadir/a+b exists, it will no longer be listed or matched.
 - Make --search-by-data more efficient.
  `- Call grep on all files at once.
+- Use arrays for the program variables.
+ `- This allows for example (sed -E 's/\s+/ /') as output_program.
 
 
 Manual: