\n\
-b, --before attach the separator before instead of after\n\
-r, --regex interpret the separator as a regular expression\n\
-s, --separator=STRING use STRING as the separator instead of newline\n\
--help display this help and exit\n\
--version output version information and exit\n\
\n\
-b, --before attach the separator before instead of after\n\
-r, --regex interpret the separator as a regular expression\n\
-s, --separator=STRING use STRING as the separator instead of newline\n\
--help display this help and exit\n\
--version output version information and exit\n\