failed the test. Otherwise, the file passes the test.
By default, for each valid line, one line is written to standard
output indicating whether the named file passed the test.
+After all checks have been performed, if there were any failures,
+a warning is issued to standard error.
Use the @samp{--status} option to inhibit that output.
If any listed file cannot be opened or read, if any valid line has
-a MD5 checksum inconsistent with the associated file, or if no valid
-line is found, exit with a non-zero status. Otherwise, exit successfully.
+an MD5 checksum inconsistent with the associated file, or if no valid
+line is found, @code{md5sum} exits with non-zero status. Otherwise,
+it exits successfully.
@itemx --status
@opindex --status
@cindex verifying MD5 checksums
-When verifying checksums, don't generate any output.
+This option is useful only when verifying checksums.
+When verifying checksums, don't generate the default one-line-per-file
+diagnostic and don't output the warning summarizing any failures.
+Failures to open or read a file still evoke individual diagnostics to
+standard error.
If all listed files are readable and are consistent with the associated
MD5 checksums, exit successfully. Otherwise exit with a status code
-indicating there was a failure. Failures to open or read a file still
-evoke diagnostics to standard error.
+indicating there was a failure.
@itemx --string=@var{string}
@opindex --string