bash 如何找出bash中另一个脚本调用（“sourced”）的脚本名称？
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How to find out name of script called ("sourced") by another script in bash?
提问by Max
Possible Duplicate:
In the bash script how do I know the script file name?
How can you access the base filename of a file you are sourcing in Bash
When using sourceto call a bash script from another, I'm unable to find out from within that script what the name of the called script is.
当使用source从另一个脚本调用 bash 脚本时，我无法从该脚本中找出被调用脚本的名称。
file1.sh
文件1.sh
#!/bin/bash
echo "from file1: #!/bin/bash
echo "from file2: $ ./file1.sh
from file1: ./file1.sh # expected
from file2: ./file1.sh # was expecting ./file2.sh
"
"
source file2.sh
file2.sh
文件2.sh
#!/bin/bash
echo "from file2: ${BASH_SOURCE[0]}"
Running file1.sh
运行 file1.sh
#!/bin/bash
echo "from file1: #!/bin/bash
echo "from file2: ##代码##"
"
./file2.sh
Q: How can I retrieve file2.shfrom file2.sh?
问：我怎样才能检索到file2.sh的file2.sh？
回答by dogbane
Change file2.shto:
更改file2.sh为：
Note that BASH_SOURCEis an array variable. See the Bash man pages for more information.
请注意，这BASH_SOURCE是一个数组变量。有关更多信息，请参阅 Bash 手册页。
回答by jaypal singh
if you sourcea script then you are forcing the script to run in the current process/shell. This means variables in the script from file1.shyou ran are not lost. Since $0was set to file1.shit remains as is.
如果您source是一个脚本，那么您将强制该脚本在当前进程/shell 中运行。这意味着file1.sh您运行的脚本中的变量不会丢失。由于$0设置为file1.sh它保持原样。
If you want to get the name of file2then you can do something like this -
如果你想得到名字，file2那么你可以做这样的事情 -
