Doug Crockford once discussed removing ambiguity in code. I was exploring `++` vs `+= 1` or `+=3` and it is interesting to see the return values vs the stored value in memory. some of the return values threw me off, would be nice to prepend the `>` carrot to the even numbered lines (exceptions?)

plusPlus.log

var plusPlus = 1;
undefined
plusPlus
1
plusPlus = plusPlus+1
2
plusPlus = plusPlus+4
6
plusPlus = plusPlus++
6
plusPlus
6
plusPlus++
6
plusPlus
7
plusPlus
7
plusPlus+4
11
plusPlus++
7
plusPlus++
8
plusPlus++
9
plusPlus++
10
plusPlus
11
plusPlus++
11
plusPlus++
12
plusPlus++
13
plusPlus
14
plusPlus
14
plusPlus
14
plusPlus
14
plusPlus++
14
plusPlus++
15
plusPlus++
16
plusPlus++
17
plusPlus
18
plusPlus++
18
plusPlus
19
plusPlus
19
plusPlus
19
plusPlus+1
20
plusPlus += 1
20
plusPlus
20
plusPlus += 1
21
plusPlus += 1
22
plusPlus += 1
23
plusPlus += 1
24


---
var num = 1;
undefined
num = num++;
1
num = num++;
1
num = num++;
1
num++;
1
num;
2

So, I'd like to add a > for the input lines. Every other line in this log, conveniently.
I belive VIM can do that elegantly, maybe regEx but I'm matching line number not characters I wouldn't be surprised by a reaaaally tricky expression

forgot a bunch of semicolons. Sloppy
Well, I sets me up to test my master and see if I can add the semicolons to all odd lines but the first,
after I can put a > in front of each odd numbered line