Date:Mon, 22 Oct 2018 09:37:19 -0400
From:Greg Wooledge
Message-ID: <20181022133719.g4wc7uuowwfff...@eeg.ccf.org>
| I occasionally run a command like mkdir /tmp/x && cd "$_"
cdnd()
{
mkdir -p "$1" && cd "$1"
}
Make it as fancy as you want. Interactively
ps: I did not suggest that $_ should go away, I know that's not going to
happen ... just that it would be nice for those who really don't want it to
be able to turn it off.
kre
On Tue, Oct 23, 2018 at 02:06:37PM +0700, Robert Elz wrote:
> Interactively you're much more
> likely to want !$ than $_ (I'd suggest infinitely more lijkely...)
You mean negative infinity.
wooledg:~$ grep histexpand .bashrc
set +o histexpand
Hello,
I found a strange phenomenon, just as the subject, environment variable "PS4"
cannot be passed to bash script, but any other variable, even self-defined
variable can be passed to bash script.
My bash version is "GNU bash, version 4.2.46(2)-release
(x86_64-redhat-linux-gnu)", I downloaded
On Tue, Oct 23, 2018 at 03:20:12PM +, Chen, Farrah wrote:
> But in Bash script, it cannot work, it keeps its original value:
> [root@fchen ~]# cat test.sh
> #!/usr/bin/bash
> echo $PS4
> echo $FAN
This is because you're doing it as root. Bash strips PS4 from the
environment when started as ro
On 10/23/18 12:06 PM, Greg Wooledge wrote:
> On Tue, Oct 23, 2018 at 03:20:12PM +, Chen, Farrah wrote:
>> But in Bash script, it cannot work, it keeps its original value:
>> [root@fchen ~]# cat test.sh
>> #!/usr/bin/bash
>> echo $PS4
>> echo $FAN
>
> This is because you're doing it as root. B
Robert Elz wrote:
> ps: I did not suggest that $_ should go away, I know that's not going to
> happen ... just that it would be nice for those who really don't want it to
> be able to turn it off.
I'm having a hard time understanding why one would want to turn off
this feature. It isn't somethin
Got it, thanks for the info.
Thanks,
Fan
-Original Message-
From: Chet Ramey [mailto:chet.ra...@case.edu]
Sent: Wednesday, October 24, 2018 4:48 AM
To: Chen, Farrah ; bug-bash@gnu.org
Cc: chet.ra...@case.edu
Subject: Re: Environment variable "PS4" can not be passed to bash script from
Date:Tue, 23 Oct 2018 15:37:15 -0600
From:Bob Proulx
Message-ID: <20181023151944393472...@bob.proulx.com>
| I'm having a hard time understanding why one would want to turn off
| this feature.
Because I regard it as a design bug (from ksh, copied into bash) not
as
