bash-completion tweaks

Q. Can tab completion be made even easier?

A. The readline(3) library offers a few settings that can make tab
completion easier (or at least different) to use.

For example, try putting the following in either /etc/inputrc or
~/.inputrc:

set show-all-if-ambiguous on

This will allow single tab completion as opposed to requiring a
double tab. This makes things much more pleasant, in our opinion.

set visible-stats on

This will suffix each returned file completion with a character
denoting its type, in a similar way to ls(1) with -F or --classify.

set page-completions off

This turns off the use of the internal pager when returning long
completion lists.


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