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=<bar>
OK I know that. $VAR can be seen by future shell command in this session, but cannot be seen by a sub-shell such as a.sh. Thanks.