Re: Concatenate every 5 lines of input with a comma.

[ForgotPasswordAgain]

in reply to Concatenate every 5 lines of input with a comma.

UPDATE: Oh, sorry, I'd only read the subject. I don't understand the body of your post.

Original:

perl -pe's/$/,/ if not$.%5' file

[jwkrahn]

Not even close:

$ seq 20 | perl -pe's/$/,/ if not$.%5'
1
2
3
4
5,
6
7
8
9
10,
11
12
13
14
15,
16
17
18
19
20,