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帮助安装 ROOT，PATH 变量被删除

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帮助安装 ROOT，PATH 变量被删除

我正在尝试安装根我工作需要的。我在笔记本电脑上的 virtualbox 上运行 Ubuntu 10.04 64 位。提取 tarball 后，我尝试使用自述文件中建议的命令获取 .sh 文件

$。路径名/root/bin/thisroot.sh

它向我显示以下错误：

$ . /home/username/Downloads/root/bin/thisroot.sh

bash:/home/username/Downloads/root/bin/drop_from_path: No such file or directory
bash:/home/username/Downloads/root/bin/drop_from_path: No such file or directory
bash:/home/username/Downloads/root/bin/drop_from_path: No such file or directory
bash:/home/username/Downloads/root/bin/drop_from_path: No such file or directory
bash:/home/username/Downloads/root/bin/drop_from_path: No such file or directory
bash:/home/username/Downloads/root/bin/drop_from_path: No such file or directory
bash: man: No such file or directory
Command 'dirname' is available in '/usr/bin/dirname'
The command could not be located because '/usr/bin' is not included in
the PATH environment variable.
dirname: command not found
/usr/bin/env: bash: No such file or directory
Command 'grep' is available in '/bin/grep'
The command could not be located because '/bin' is not included in the
PATH environment variable.
grep: command not found
Command 'grep' is available in '/bin/grep'
The command could not be located because '/bin' is not included in the
PATH environment variable.
grep: command not found

这样做的结果是它以某种方式删除了 PATH，因为现在我无法从命令行执行任何其他操作。例如：

$ vi README
Command 'vi' is available in '/usr/bin/vi'
The command could not be located because '/usr/bin' is not included in
the PATH environment variable.
vi: command not found

$ clear
Command 'clear' is available in '/usr/bin/clear'
The command could not be located because '/usr/bin' is not included in
the PATH environment variable.
clear: command not found

我家里的桌面上有一个 Ubuntu 11.04，安装过程很顺利。我也在我的办公室 Mac 上尝试过这个，但我不知道这里发生了什么。

答案1

如果你通过以下方式启动脚本：

. script

或者

source script

它的命令在此 shell 的上下文中执行。您不必担心路径、别名等消失；如果您稍后启动另一个 shell，该 shell 将不会受到影响。

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