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Re: Is this a bug?

From: George R Goffe
Subject: Re: Is this a bug?
Date: Mon, 24 Aug 2020 20:15:59 +0000 (UTC)


I'm not seeing any visual "bells". The audio part of this computer is broken... 
NO sound...


On Monday, August 24, 2020, 7:18:38 AM PDT, Chet Ramey <chet.ramey@case.edu> 

On 8/22/20 5:25 PM, George R Goffe wrote:
> Chet,
> I'm really perplexed with this situation. I type in "ls -al 123456<tab>" with 
> only 1 tab key. NO indication of what's happening. I hit enter and get a 
> message that "ls: cannot access '123456': No such file or directory" I try 
> the same command but with 2 tab keys... hit enter and get the same msg. 

Readline defaults to a visual bell, using the terminal's `vb' capability.
You can set the readline `bell-style' variable to `audible' to change that.
If you do, make sure your terminal emulator does something reasonable with
the ^G character.

> I tried the same with a partial filename that DOES exist in the directory. I 
> can't seem to get the filename completion to ctrl-c out. gdb sees the ctrl-c 
> but bash stays in the attempted filename completion. Enter doesn't work. 
> Ctrl-c doesn't work. Ctrl-z doesn't work.

I just can't reproduce this. (Though there's no reason to expect ^Z to have
any effect, since we're not running a separate job here.)

> Shouldn't there be a message about no file found presented by bash? There 
> appears to be NO indication that filename completion has failed to find a 
> file.

Why would a message be appropriate here? It seems to me that the visible or
audible bell is the right indicator.

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

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