if (eval 'require VMS::Feature') {
$vms_exit_mode = !(VMS::Feature::current("posix_exit"));
} else {
- my $unix_rpt = $ENV{'DECC$FILENAME_UNIX_REPORT'} =~ /^[ET1]/i;
- my $posix_ex = $ENV{'PERL_VMS_POSIX_EXIT'} =~ /^[ET1]/i;
+ my $env_unix_rpt = $ENV{'DECC$FILENAME_UNIX_REPORT'} || '';
+ my $env_posix_ex = $ENV{'PERL_VMS_POSIX_EXIT'} || '';
+ my $unix_rpt = $env_unix_rpt =~ /^[ET1]/i;
+ my $posix_ex = $env_posix_ex =~ /^[ET1]/i;
if (($unix_rpt || $posix_ex) ) {
$vms_exit_mode = 0;
} else {
$exit_arg = 42;
$exit = run("END { \$? = $exit_arg }");
-# On VMS, in the child process the actual exit status will be SS$_ABORT,
+# On VMS, in the child process the actual exit status will be SS$_ABORT,
# or 44, which is what you get from any non-zero value of $? except for
# 65535 that has been dePOSIXified by STATUS_UNIX_SET. If $? is set to
# 65535 internally when there is a VMS status code that is valid, and