search and replace within string

[Byron Clark]

On 5/17/07, Wade Preston Shearer <lists at wadeshearer.com> wrote:
> I am curious how I would make searchFor and replaceWith variables.
>
> This…
>
> searchFor="search_for_text"
> replaceWith="replace_with_text"
> newString=$(echo $@ | sed 's/$searchFor/$replaceWith/')
> echo $newString

The following should work:
searchFor=search_for_text
replaceWith=replace_with_text
for s in $@; do
    echo $(echo "${s}" | sed "s/${searchFor}/${replaceWith}/g")
done