I always find it much safer to use an explicit in-line script idiom such as
:-

sed -e 'the-script-i-want-sed-to-run' foo

The ''s make sure that the shell doesn't get first byte of the cherry

On 9/24/07, david <[EMAIL PROTECTED]> wrote:
>
> I want to insert "/" into a substitution.
> Why am i getting an "unknown option" even though exactly the same
> construction works if i use it from a script file?
>
> [EMAIL PROTECTED]:~/test $ cat > foo
> foo is barred                                           # test file
> [EMAIL PROTECTED]:~/test $ sed s/foo/bar/g foo
> bar is barred                                           # sed works :)
> [EMAIL PROTECTED]:~/test $ sed s/foo/\/bar/g foo
> sed: -e expression #1, char 8: unknown option to `s'    # ERROR
> [EMAIL PROTECTED]:~/test $ cat > sedfile
> s/foo/\/bar/g                                           # script file...
> [EMAIL PROTECTED]:~/test $ sed -f sedfile foo
> /bar is barred                                          # ... works
> [EMAIL PROTECTED]:~/test $
>
> I've noticed the same problem applies to using & in the replacement on
> the cli. It seems that the replacement part doesn't recognise a
> backslash. Have I missed something?
>
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-- 
Regards, Martin

Martin Visser
-- 
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