Re: Invisible PROMPT2

Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>

From: ilmari@ilmari.org (Dagfinn Ilmari Mannsåker )
To: Thomas Munro <thomas.munro@gmail.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2019-11-13T11:27:00Z
Lists: pgsql-hackers
Thomas Munro <thomas.munro@gmail.com> writes:

> Hello hackers,
>
> From the advanced bikeshedding department: I'd like my psql
> transcripts to have the usual alignment, but be easier to copy and
> paste later without having weird prompt stuff in the middle.  How
> about a prompt format directive %w that means "whitespace of the same
> width as %/"?  Then you can make set your PROMPT2 to '%w   ' and it
> becomes invisible:

That only lines up nicely if %/ is the only variable-width directive in
PROMPT1.  How about a circumfix directive (like the existing %[ ... %])
that replaces everything inside with whitespace, but keeps the width?

- ilmari
-- 
"The surreality of the universe tends towards a maximum" -- Skud's Law
"Never formulate a law or axiom that you're not prepared to live with
 the consequences of."                              -- Skud's Meta-Law



Commits

  1. psql: Fix %w length in PROMPT2 when PROMPT1 contains a newline.

  2. Allow invisible PROMPT2 in psql.