According to the man page:
EXIT STATUS
The sed utility exits 0 on success, and >0 if an error occurs.
However, what constitutes "success" is undefined.
Consider the sed command
s/FOO/bar/
. Is sed "successful" is there are no instances of FOO? Or
only if there is at least one instance of FOO and it is successfully
replaced by bar?
Respectfully,
Robert Huff
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