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lang-bash
|as the sep is a very good idea in this context.sed -e 's|^directory_root \(/[^/]*/\).*$|\1|;tx;d;:x' file.txt, which does the same thing, but uses one less process (slightly more efficient). Outside of that, they produce the same result, which satisfies the adage: "There's more than one way to skin acat"... (sorry, couldn't resist).tcommand:sed '...$|\1|;t;d'will have the same effect.