Thread: Sed and the nth-occurence flag.

Basically I need to enter a character in a string of lines every n spaces such as

abc#efg#ijk#lmn#

and with sed I can only enter it in the first place using the flag such as

Code:

sed 's/./#/4'

Is there a way that sed can do it as I would like in the first example rather than just finding the first 4th character and nothing after that. Is there a way to apply the global flag along side with it?

Found it out

Code:

sed 's/.\{4\}/&#/g'