[Oko]

Originally Posted by rocket357

sed is my choice for stuff like this:

rocket357@SkyNet:~$ cat test.txt
1
3
4

rocket357@SkyNet:~$ sed 2's/\(.*\)/\1 <additional text>/' test.txt
1
3 <additional text>
4

but that's just me. I like sed and use it perhaps too much.

One more vote for sed