----- Original Message -----
From: "Jose Vicente" <[EMAIL PROTECTED]>

> Hi friends.
>     I am replacing a string using s///, in the following way:, but I only
> need and exact string to be replaced, for example if I have a file with
the
> following strins:
> amor
> alto
> a
> bacho
> And execute
> ~s/$name/#$name/g
>
> where $name is equal to "a", so I have
>
> #amor
> #alto
> #a
> b#acho
>
> But I want
> amor
> alto
> #a
> bacho

try this whereby \b means border:-
~s/\b$name\b/#$name/g



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