# Stop on warn (sow) $DB::oldWarn = $SIG{__WARN__}; $DB::alias{sow} = 's/^sow/\$SIG{__WARN__} = sub { \$DB::oldWarn->(@_) if (\$DB::oldWarn); \$DB::single = 1 }/'; # Stop on die (sod) $DB::oldDie = $SIG{__DIE__}; $DB::alias{sod} = 's/^sod/\$SIG{__DIE__} = sub { \$DB::oldDie->(@_) if (\$DB::oldDie); \$DB::single = 1 }/';