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I want sed to split lines and then process those lines.

E.g. sed 's/,/\n/g' | sed -n '/foo/p'

Can that be done in one sed command in general so that I do not need shell piping?

Example:

echo oof,foo | sed 's/,/\n/g' | sed -n '/foo/p'

Outputs (in Ubuntu):

foo

But if I just

echo oof,foo | sed -n 's/,/\n/g;/foo/p'

it prints

oof foo

which is not what I expect.

I want sed to split lines and then process those lines.

E.g. sed 's/,/\n/g' | sed -n '/foo/p'

Can that be done in one sed command in general so that I do not need shell piping?

Example:

echo oof,foo | sed 's/,/\n/g' | sed -n '/foo/p'

Outputs (in Ubuntu):

foo

But if I just

echo oof,foo | sed -n 's/,/\n/g;/foo/p'

it prints

oof
foo

which is not what I expect.