On 2023-05-31 19:17, Bob Vincent Il (US) wrote:
Okay, but `echo ''` does not output an empty string. It outputs a line feed character.
The line feed is not considered. Grep looks only for matches of "any part of the line excluding the terminating <newline>" <https://pubs.opengroup.org/onlinepubs/9699919799/utilities/grep.html>.
Closing the bug report as it appears to be due to a misunderstanding of how 'grep' works.
