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Re: Bash sometimes cannot find aliases

From: Greg Wooledge
Subject: Re: Bash sometimes cannot find aliases
Date: Tue, 30 Mar 2010 08:15:22 -0400
User-agent: Mutt/

On Tue, Mar 30, 2010 at 02:36:59PM +0800, Clark J. Wang wrote:
> After some investigation I could stably reproduce this
> problem by following steps (tested with bash 3.1.17, 3.2.39 and 4.1.0):
> bash$ alias xx='echo 142857'    ### Make sure there isn't an external cmd
> named `xx'
> bash$ export EDITOR=vi
> bash$ set -o vi
> bash$    ### Press ESC to get out of vi's INSERT mode
> bash$    ### Press v to invoke vi to input a cmd like `ls', save and exit,
> the `ls' cmd runs.
> bash$ xx
> -bash: xx: command not found
> bash$ xx
> 142857

Hmm... yes, I can reproduce that.  After going into vi (by pressing 'v')
and running a command edited therein, bash remains in "command mode"
instead of going back to "insert mode".  I have to hit Enter or Ctrl-c or
'i' before I can type normally again.

In order to reproduce your result, on the second to last bash$ prompt,
I would have to press something like 'ixx' or 'axx'.  However, if I press
Enter and then 'xx', or Ctrl-C and then 'xx', I do _not_ get your result.

Tested in 3.2.39(1)-release and 4.1.2(2)-release.

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