Fix markup and change some layout; no content changes.
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2020-12-20 02:59:44 +00:00
svn path=/head/; revision=165567
@ -40,23 +40,36 @@
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.Sh DESCRIPTION
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.Sh DESCRIPTION
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The
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The
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.Nm
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.Nm
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utility reads "checksum" files (which are assumed to specify components
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utility reads
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.Dq checksum
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files (which are assumed to specify components
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of a software distribution) and verifies the integrity of the
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of a software distribution) and verifies the integrity of the
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distribution by validating the checksum of each component file.
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distribution by validating the checksum of each component file.
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Both MD5 (128-bit "message digest") and .inf (32-bit CRC) checksum
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Both MD5 (128-bit
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.Dq "message digest" )
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and
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.Pa .inf
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(32-bit CRC) checksum
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formats are supported.
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formats are supported.
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.Pp
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.Pp
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The
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The
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.Ar file
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.Ar file
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operands may refer to regular files or to directories.
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operands may refer to regular files or to directories.
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Regular files
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Regular files
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named "md5", or which have an ".md5" or an ".inf" extension, are
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named
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.Pa md5 ,
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or which have an
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.Pa .md5
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or an
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.Pa .inf
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extension, are
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assumed to be of the implied type, otherwise format is determined from
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assumed to be of the implied type, otherwise format is determined from
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content.
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content.
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If a directory is specified, it is searched for
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If a directory is specified, it is searched for
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appropriately-named files only.
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appropriately-named files only.
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.Pp
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.Pp
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Options are as follows:
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The options are as follows:
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.\"Bl -tag -width ".Fl n Ar name"
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.Bl -tag -width 8n -offset indent
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.Bl -tag -width 8n -offset indent
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.It Fl a
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.It Fl a
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Report on all distribution components, not just those in respect of
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Report on all distribution components, not just those in respect of
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@ -69,7 +82,9 @@ Search specified directories recursively.
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Suppress complaints about inaccessible checksum files and directories.
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Suppress complaints about inaccessible checksum files and directories.
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.It Fl x
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.It Fl x
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Verify the existence of distribution components (and also check sizes,
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Verify the existence of distribution components (and also check sizes,
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in the case of .inf files), but omit the more time-consuming step of
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in the case of
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.Pa .inf
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files), but omit the more time-consuming step of
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actually computing and comparing checksums.
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actually computing and comparing checksums.
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.It Fl d Ar dir
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.It Fl d Ar dir
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Look for distribution components in the directory
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Look for distribution components in the directory
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@ -77,19 +92,34 @@ Look for distribution components in the directory
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.It Fl n Ar name
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.It Fl n Ar name
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Access distribution components using the filename
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Access distribution components using the filename
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.Ar name .
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.Ar name .
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When accessing .inf file components, append the appropriate
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When accessing
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.Pa .inf
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file components, append the appropriate
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extension to the filename.
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extension to the filename.
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.It Fl t Ar type
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.It Fl t Ar type
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Assume that all specified checksum files are of the format
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Assume that all specified checksum files are of the format
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.Ar type ,
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.Ar type ,
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and search directories only for files in this format (where
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and search directories only for files in this format (where
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.Ar type
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.Ar type
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is either "md5" or "inf").
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is either
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.Cm md5
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or
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.Cm inf ) .
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.El
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.El
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.Sh EXIT STATUS
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.Sh EXIT STATUS
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Exit status is 0 if no errors were detected, 1 if errors were found in
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The
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a distribution, and 2 if usage errors, inaccessible input files, or
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.Nm
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utility exits with one of the following values:
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.Pp
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.Bl -tag -width indent
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.It 0
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No errors were detected.
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.It 1
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Errors were found in a distribution.
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.It 2
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Usage errors, inaccessible input files, or
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other system errors were encountered.
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other system errors were encountered.
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.El
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.Sh SEE ALSO
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.Sh SEE ALSO
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.Xr cksum 1 ,
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.Xr cksum 1 ,
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.Xr md5 1
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.Xr md5 1
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