replacing according to position

[Reen]

Ok
But When i type in 272nd character sed function cannot be parsed error occurs.
Till 255th character,its fine.
Cant replace 256th character onwards in a line. Any suggestions?

[Dennis Handly]

>Didnt get JRF`s improvement???

Instead of typing 22 "."s, you can use: .\{22\}

If you are happy with your answers, please read:
http://forums1.itrc.hp.com/service/forums/helptips.do?#33

[Reen]

But Dennis,
I cant replace 272-275th character..

[Dennis Handly]

>But when i type in 272nd character sed function cannot be parsed error occurs. Till 255th character, it's fine.

Ah, that limit is documented under regexp(5).

You are going to have to do addition:
$ sed -e 's/^\(.\{200\}.\{71\}\)Blore/\1Mlore/'

[Reen]

Hey... tats cool

thanks a lot...
got the solution!