StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Answers and rating deltas for

What is the purpose of the "-" in sh script line: ext="$(echo $ext | sed 's/\./\\....

Author Votes Δ
Jim Lewis 1 +1.56
Ed Morton 0 -1.56
Last visited: Sep 14, 2014, 5:07:29 AM