无法从另一个Shell脚本执行脚本

Question

I have a script ( A ) which begins with a #!/bin/sh shebang.

There is another file ( B ) which doesn't begin with #!/bin/sh ; it has some environment variables which I need to set for A to work.

The file B runs fine, and sets the variables when executed from .bash_profile . For example, in my .bash_profile file:

{. /(full_path)/(envname)/(filename).sh;}

When I write same line in my A script file, nothing happens. Why not?

I did echo $env_variable_name ; this gives me the correct path when executed via .bash_profile but gives me blank when via my script A . I tried

•  /(full_path)/(envname)/(filename).sh 

•  SCRIPT_FULL_NAME=$(readlink -f "$0") SCRIPT_PATH=$(dirname $SCRIPT_FULL_NAME) sh ${SCRIPT_PATH}/(filename).sh 

What should I do?

Answer 1

There is another file (B) which doesn't begin with #!/bin/sh; it has some environment variables which I need to set for A to work.

In this case you should source you script B in script A. To source a script in sh, the command is:

. /path/to/B.sh

Note that the . is not the beginning of a relative path to script B.