This is the revision history for map and grep in <412831876697554946-discord.gg:##NULL>
| factoid_id | subject | copula | predicate | author | namespace |
|---|---|---|---|---|---|
| 10096 | map and grep | is | http://altreus.blogspot.co.uk/2011/10/understanding-and-using-map-and-grep.html | altreus | <*:##NULL> |