Re: ${var@P} expansion includes 0x01 and 0x02

From	Chet Ramey <chet.ramey@case.edu>
Newsgroups	gnu.bash.bug
Subject	Re: ${var@P} expansion includes 0x01 and 0x02
Date	2015-11-10 08:56 -0500
Message-ID	<mailman.2059.1447163783.7904.bug-bash@gnu.org> (permalink)
References	<20151027210241.GJ27325@eeg.ccf.org> <5630D3C5.3040000@case.edu> <CANaoh6+AM+QGoBu90knu-uSSG+g95EBgWcJUijdHHm8_pKCJRQ@mail.gmail.com> <563CB062.90800@case.edu> <CANaoh6+KBiMQhRVcBrvpSsA_J9FCzhnn-A5GX1QvSVEj=1XjzQ@mail.gmail.com>

Show all headers | View raw

On 11/9/15 7:53 PM, Dennis Williamson wrote:

> 
> With editing off, I find that I must delimit variables with braces. Without
> the braces, only the second escape sequence is output. The \] isn't
> terminating the variable name when editing is off.

When line editing isn't enabled, the \[ and \] escapes have no meaning,
so they're removed.  In the example you give, removing them results in
the variable name including `Hello'.  If this is a problem for your prompt,
you should delimit variable names with braces.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/

Back to gnu.bash.bug | Previous | Next | Find similar | Unroll thread

Thread

Re: ${var@P} expansion includes 0x01 and 0x02 Chet Ramey <chet.ramey@case.edu> - 2015-11-10 08:56 -0500

csiph-web