Subject: Re: [ksh93-integration-discuss] Non-existent directories in $PATH and
stat caching
--------
> The other day I was setting up my shell environment on a different
> system, starting with copying over my .profile and .kshrc, along with
> a few other scripts.
>
> Later I tried to run one of my scripts in a different window, but that
> window's ksh93 couldn't find it, while other shells in my other windows
> could. After digging a big, I realized that the one shell was started
> during the window of time where my .kshrc ( with my scripts directory
> added to $PATH ) had been copied to the new system, but before the
> scripts directory had been created. Since the directory did not exist
> at the time $PATH was set, ksh93 was not attempting to access it again.
>
The standard says that the shell can cache lookups.
You can do
PATH=$PATH
to cause the cache to be flushed.
David Korn
dgk at research.att.com
