explainshell.com - plan9-grep.1 -lRE %27errorutil%5C.Handler%27 %7C xargs sed -i -E %27s%2FHandler%5C%28%28%5BA-Za-z0-9_%5C.%5D%2B%29%5C%29%2FHandler%28%5C1%2C %22default value%22%29%2F%27

-lRE %27errorutil%5C.Handler%27 %7C xargs sed -i -E %27s%2FHandler%5C%28%28%5BA-Za-z0-9_%5C.%5D%2B%29%5C%29%2FHandler%28%5C1%2C %22default value%22%29%2F%27

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