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Re: Bash sometimes cannot find aliases


From: Clark J. Wang
Subject: Re: Bash sometimes cannot find aliases
Date: Tue, 30 Mar 2010 22:04:53 +0800

On Tue, Mar 30, 2010 at 8:15 PM, Greg Wooledge <address@hidden> wrote:

> 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'.


You're right. That's also what I did.


> 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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