On Mon, Jun 25, 2001 at 02:24:21PM -0400, Chas Owens wrote:
> Let me see if I have this straight:
>
> Perl was ignoring $session because of the \ and then passing the output
> to the shell (stripping the \).
Yes.
> The shell saw $session so it tried to replace it with the enviromental
> variable $session (which was empty) so Oracle saw:
No, it tried to replace it with the variable $session. Shells have normal
variables as well as environmental ones.
> select count(distinct(process)) ACTIVE from v
> where last_call_et < 60 and
> process in (select ltrim(rtrim(to_char(process_id) )) from
> session_list);
Yes.
> Hence the error. If this is the case then using "v\\\$session" should
> result in:
>
> Perl outputs v\$session
> Shell outputs v$session
> Oracle sees what it expects.
Yes, though "passes" would be a better term than "outputs".
This type of thing always makes me wish for a list form of qx//, akin to the
list forms of exec and system. Something along the lines of:
list_qx("sqlplus", 'select count ... v$session ...');
Of course, you can get the equivalent in a variety of ways, but nothing
quite beats a core function (be it builtin, or in a core module).
Michael
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