From: Amin Bandali <bandali@gnu.org>
Date: Sun, 14 Apr 2019 19:36:58 +0000 (-0400)
Subject: bash: various tweaks
X-Git-Url: https://git.shemshak.org/~bandali/configs/commitdiff_plain/d99f86cd913e15a2dc5792ca382fb5d4b2abeb7b?hp=d99f86cd913e15a2dc5792ca382fb5d4b2abeb7b

bash: various tweaks

- new include helper for checking if arg is a regular and readable
  file, then sourcing it
- set VISUAL editor
- fix prompt to show an additional character when abbreviated folder’s
  name starts with a dot
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