From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | ilmari(at)ilmari(dot)org (Dagfinn Ilmari Mannsåker ) |
Cc: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Invisible PROMPT2 |
Date: | 2019-11-13 14:47:01 |
Message-ID: | 5133.1573656421@sss.pgh.pa.us |
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ilmari(at)ilmari(dot)org (Dagfinn Ilmari =?utf-8?Q?Manns=C3=A5ker?=) writes:
> Thomas Munro <thomas(dot)munro(at)gmail(dot)com> writes:
>> 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.
Yeah, that was my first reaction too.
> How about a circumfix directive (like the existing %[ ... %])
> that replaces everything inside with whitespace, but keeps the width?
Or just define %w as meaning "whitespace of the same width as
PROMPT1". You couldn't use it *in* PROMPT1, then, but I see
no use-case for that anyway.
regards, tom lane
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