> I need to modify certain file using sed. Pattern can be both upper/lower
> case.
> Sun Solaris sed doesn't have /I switch that GNU sed has.
> Does anybody know how to perform sed insensitive search ?

$ cat text1
UNIX
uNiX
$ sed s/[Uu][Nn][Ii][Xx]/Solaris/ text1
Solaris
Solaris

$ tr "[:lower:]" "[:upper:]" < text1 | sed s/UNIX/Solaris/
Solaris
Solaris

$ sed -e s/UNIX/Solaris/ -e s/uNiX/Solaris/ text1
Solaris
Solaris


Regards
Dimitre