summaryrefslogtreecommitdiff
path: root/pod/perlvar.pod
diff options
context:
space:
mode:
Diffstat (limited to 'pod/perlvar.pod')
-rw-r--r--pod/perlvar.pod6
1 files changed, 6 insertions, 0 deletions
diff --git a/pod/perlvar.pod b/pod/perlvar.pod
index 2f39d561c2..a48d943397 100644
--- a/pod/perlvar.pod
+++ b/pod/perlvar.pod
@@ -965,6 +965,12 @@ built, as determined during the configuration process. The value
is identical to C<$Config{'osname'}>. See also L<Config> and the
B<-V> command-line switch documented in L<perlrun>.
+=item ${^OPEN}
+
+An internal variable used by PerlIO. A string in two parts, separated
+by a C<\0> byte, the first part is the input disciplines, the second
+part is the output disciplines.
+
=item $PERLDB
=item $^P