On 2024-07-20 06:35, Greg Wooledge wrote:
On Sat, Jul 20, 2024 at 06:30:42 +0800, p...@gmx.it wrote:
On 2024-07-20 06:25, Greg Wooledge wrote:
> >
> > I can not clearly understand for this statement. what's "future shell
> > commands"? can you show an example?
>
> hobbit:~$ unset -v VAR
> hobbit
On 2024-07-20 06:25, Greg Wooledge wrote:
I can not clearly understand for this statement. what's "future shell
commands"? can you show an example?
hobbit:~$ unset -v VAR
hobbit:~$ VAR=bar; ./a.sh
I am a.sh, and inside me, VAR=<>.
hobbit:~$ echo "VAR=<$VAR>"
VAR=
OK I know that. $VAR can be
On 2024-07-20 05:56, Greg Wooledge wrote:
On Sat, Jul 20, 2024 at 05:46:23 +0800, p...@gmx.it wrote:
$ VAR1=foo && ./a.sh
$ export VAR2=foo; ./a.sh
$ ./b.sh
$VAR1 will be seen by a.sh only, but $VAR2 can be seen my current
login
session (such as b.sh). Am I right? I am a bit confused about env
On 2024-07-20 00:07, Mike Castle wrote:
In addition to what everyone else has said about env(1), there is the
fact that Korn derived shells also supports some of the same features.
env VAR1=foo VAR2=bar random-command
VAR1=foo VAR2=bar random-command
$ VAR1=foo && ./a.sh
$ export VAR2=foo; ./
Hello list,
I am not sure how 'env' command works.
for example, what's the difference between '/usr/bin/perl' and 'env
perl' ?
I know env may set a environment variable in system, so my question also
includes:
1. where to see a shell environment variable? I tried 'echo $ENV'
showing nothing.
For dev stuff, for example, I have many versions of ruby installed in the
system by rbenv.
Since I often change default ruby in interactive shell, this may break the ruby
for sysadmin job in crontab. What’s the solution for this?
They are really entire. Thanks for the info.
Yong
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Hello,
I have two DSL in family. One is main, another is backup.
When the
As you suggested I may use other relays as outgoing gateway. But the home box
will receive and store messages. I can operate the email accounts for me and my
family on this server.
Thanks
Yong
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Hello,
I have a home server with static IP from the ISP. The server has deb
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