find and replace

Shell Programming and Scripting
1

How can i search the occurrence of

Clear;Clear;ic/In/2011 :

and replace with

X25

in a file?

i used

sed 's/Clear;Clear;ic/In/2011 :/X25/g'

but keeps giving me error. any help?

2 
>cat /tmp/a
Clear;Clear;ic/In/2011 :

>cat /tmp/a  | sed "s!Clear;Clear;ic/In/2011 :!X25!g"
X25
3 
$ ruby -ne 'puts $_.gsub(/Clear;Clear;ic\/In\/2011/, "X25")' file
dfs
X25 :
safsf
4

In some shells, the exclamation point triggers history expansion (even when double quoted). In this case, since there's no need for parameter expansion or command subsitution, simply use the stronger single quotes.

Regards,
Alister