Insert linefeed in sed (Mac OS X)

Question

How do I insert a newline in the replacement part of sed?

This code isn\'t working:

sed \"s/\\(1234\\)/\\n\\1/g\" input.txt > output.txt
         


        

Answer 1

Try this:

$ echo test1234foo123bar1234 | sed "s/\(1234\)/\n\1/g"
test
1234foo123bar
1234

From Sed Gnu doc

g
    Apply the replacement to all matches to the regexp, not just the first.