sed substitution that contains forward slash

[Daniel B. Thurman]

Craig White wrote:
> subtitle...fun with sed
>
> I have a list of changes to make to a file...
>
> dc              rc
> -------------   -------
> 15T6145V        DELETED
> NATL19502       DELETED
> Q10MR11/FL12V   DELETED
> Q1500T3/CL120   DELETED
>
> and things work until I get to the 3rd item which has a forward slash
> and it fails to substitute with commands like below...
>
> sed -i "s%${dc}%${rc}%g" ARsalesorderdetails.csv
> and
> sed -i "s/${dc}/${rc}/g" ARsalesorderdetails.csv
>
> The latter producing error on screen...
> sed: -e expression #1, char 17: unknown option to `s'
>
> While the former simply doesn't complain but doesn't make the change
> either.
>
> Is there a way to coerce sed to identify & replace strings with a /
> inside?
>
> Craig
>   
The second fails because in the file where there is
a '/' in the stream, sed sees more delimiters such as:

s//Q1500T3/CL120 DELETED/g
========^  (extra delimiter)
and so fails.

Your use of '%" as a sed delimiter works so as long as %
is not part of the sed stream.