如何在脚本中使用newgrp，然后在脚本退出时留在该组中 [英] How do you use newgrp in a script then stay in that group when the script exits

问题描述

我正在solaris Box上运行脚本。特别是SunOS 5.7。我不是根。我正在尝试执行类似于以下内容的脚本：

newgrp thegroup<<
FOO

源.login_stuff

echo hello world

FOO

脚本运行。问题是它返回到调用过程，该过程使我进入旧组，而未获取源.login_stuff。我了解这种行为。我正在寻找的是一种保留在sub shell中的方法。现在我知道我可以放一个xterm& （请参见下文）在脚本中执行此操作，但是使用新的xterm是不可取的。

将当前的pid作为参数传递。

newgrp thegroup<<
FOO

source .login_stuff

xterm&

echo $ 1

kill -9 $ 1

FOO

我没有sg可用。 $ p $ b。另外，newgrp是必需的。

解决方案

  newgrp adm<< ANYNAME 
＃您不仅可以执行更多行。 
 echo这正在作为组\ $（id -gn）
 ANYNAME 
  

..将输出：

 这是作为adm 
 组运行的pre> 
 
 
请小心-确保用斜杠转义'$'。交互有点奇怪，因为它在将shell作为另一个组执行之前甚至会扩展单引号。因此，如果您的主要组是用户，而您要使用的组是 adm，则：
  newgrp adm<< END 
＃您不仅可以做更多的行。 
 echo'正在作为组$（id -gn）运行'
 END 
  
 ..将输出：
 它以组用户
 的身份运行pre> 
 
 
 ..因为'id -gn'由当前shell运行，然后发送给以adm运行的shell。 
无论如何，我知道这篇文章很古老，但希望这对某人有用。
 
I am running a script on a solaris Box. specifically SunOS 5.7. I am not root. I am trying to execute a script similar to the following:

  

    
newgrp thegroup <<
    FOO

    source .login_stuff

    echo "hello world"

    FOO
  

The Script runs. The problem is it returns back to the calling process which puts me in the  old group with the source .login_stuff not being sourced. I understand this behavior. What I am looking for is a way to stay in the sub shell. Now I know I could put an xterm&  (see below) in the script and that would do it, but having a new xterm is undesirable.  

  
Passing your current pid as a parameter.

    
newgrp thegroup <<
    FOO

    source .login_stuff

    xterm&

    echo $1

    kill -9 $1

    FOO
  

I do not have sg available.
Also, newgrp is necessary.
解决方案
newgrp adm << ANYNAME
# You can do more lines than just this.
echo This is running as group \$(id -gn)
ANYNAME
..will output:
This is running as group adm
Be careful -- Make sure you escape the '$' with a slash.  The interactions are a little strange, because it expands even single-quotes before it executes the shell as the other group.  so, if your primary group is 'users', and the group you're trying to use is 'adm', then:
newgrp adm << END
# You can do more lines than just this.
echo 'This is running as group $(id -gn)'
END
..will output:
This is running as group users
..because 'id -gn' was run by the current shell, then sent to the one running as adm.
Anyways, I know this post is ancient, but hope this is useful to someone.

                        
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