I’d like to implement a function in Bash which increases (and returns) a count with every call. Unfortunately this seems non-trivial since I’m invoking the function inside a subshell and it consequently cannot modify its parent shell’s variables.
I’ve written a quick-and-dirty script to time some reports from a web service:
How can I get the pid of a subshell?
The Learning Bash Book mentions that a subshell will inherit only environment variables and file descriptors, etc., and that it will not inherit variables that are not exported:
I wonder why some similar bash commands behave the way they do.
I’m reading “BASH pocket guide of Oreilly”.
It said:
I seem to misunderstand the Bash rule for creating a subshell. I thought parentheses always creates a subshell, which runs as its own process.
I’m trying to write a function to replace the functionality of the exit builtin to prevent myself from exiting the terminal.
TL;DR: Why does POSIX brace group need spaces after { reserved word but subshell doesn’t after reserved word (?
After running the command