I need to read and write the positional parameters
$@ of a function's caller. The Bash man page says that:
A shell function is an object that is called like a simple command and executes a compound command with a new set of positional parameters
$@ is rewritten at every call. I looked for some "special parameter" but found nothing. The shell variable
BASH_ARGV seems to solve my problem, however it requires
shopt -s extdebug enabled, what isn't the default behavior in my machine neither looks like a option to turn on in production.
extdebug If set, behavior intended for use by debuggers is enabled: ... 4. BASH_ARGC and BASH_ARGV are updated as described in their descriptions above. ...
Is Bash capable of read or write a function's caller
BASH_ARGV? Do you think that Bash is limited and use another shell for scripting?
Edit: I want a fancy
getopt wrapper inside my helper library. So all behavior related to it goes inside a function. No need to check errors or