autocd doesn't invoke customized `cd` wrapper

Configuration Information [Automatically generated, do not change]: Machine: x86_64 OS: linux-gnu Compiler: gcc Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='x86_64' -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='x86_64-pc-linux-gnu' -DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale' -DPACKA

Re: using set +o posix unsets POSIXLY_CORRECT, even when POSIXLY_CORRECT is a read only variable

readonly var=value prevent shell scripter changing value of variable var, there is no restriction for the shell itself. Try: set -o posix readonly | grep SHELLOPTS and: set +o posix readonly | grep SHELLOPTS to see the missing of `posix` in 2nd command, the readonly variable SHELLOPTS was

using set +o posix unsets POSIXLY_CORRECT, even when POSIXLY_CORRECT is a read only variable

I tested on 4.2.45(1)-release basically I have tested nerdopolis@nerdopolis:~$ readonly POSIXLY_CORRECT=1 nerdopolis@nerdopolis:~$ set +o posix nerdopolis@nerdopolis:~$ echo $POSIXLY_CORRECT nerdopolis@nerdopolis:~$ Although I will admit I'm not sure if it's supposed to do that or not