This is the revision history for $! in <matrix.org:#DYJOMClZbVOMHnzPQt:matrix.org>
| factoid_id | subject | copula | predicate | author | namespace |
|---|---|---|---|---|---|
| 9501 | $! | is | double valued (string and integer) variable storing the latest system error - usually used in <or die $!> | glitchmr | <*:##NULL> |