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Diff for /src/usr.bin/hexdump/hexdump.1 between version 1.9 and 1.10

version 1.9, 1999/07/21 12:43:26 version 1.10, 2000/03/07 21:11:10
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 .It Fl f Ar format_file  .It Fl f Ar format_file
 Specify a file that contains one or more newline separated format strings.  Specify a file that contains one or more newline separated format strings.
 Empty lines and lines whose first non-blank character is a hash mark  Empty lines and lines whose first non-blank character is a hash mark
 .Pq Dq \&#  .Pq Ql #
 are ignored.  are ignored.
 .It Fl n Ar length  .It Fl n Ar length
 Interpret only  Interpret only
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 option, any number of groups of output lines, which would be  option, any number of groups of output lines, which would be
 identical to the immediately preceding group of output lines (except  identical to the immediately preceding group of output lines (except
 for the input offsets), are replaced with a line comprised of a  for the input offsets), are replaced with a line comprised of a
 single asterisk.  single asterisk
   .Pq Ql * .
 .It Fl x  .It Fl x
 .Em Two-byte hexadecimal display .  .Em Two-byte hexadecimal display .
 Display the input offset in hexadecimal, followed by eight, space  Display the input offset in hexadecimal, followed by eight, space
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 each iteration of the format.  each iteration of the format.
 .Pp  .Pp
 If an iteration count and/or a byte count is specified, a single slash  If an iteration count and/or a byte count is specified, a single slash
   .Pq Sq /
 must be placed after the iteration count and/or before the byte count  must be placed after the iteration count and/or before the byte count
 to disambiguate them.  to disambiguate them.
 Any whitespace before or after the slash is ignored.  Any whitespace before or after the slash is ignored.
 .Pp  .Pp
 The format is required and must be surrounded by double quote  The format is required and must be surrounded by double quote
 (" ") marks.  .Pq \&"\& \&"
   marks.
 It is interpreted as an fprintf-style format string (see  It is interpreted as an fprintf-style format string (see
 .Xr fprintf 3 ) ,  .Xr fprintf 3 ) ,
 with the  with the
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 .It  .It
 A byte count or field precision  A byte count or field precision
 .Em is  .Em is
 required for each ``s'' conversion  required for each
 character (unlike the  .Sq s
   conversion character (unlike the
 .Xr fprintf 3  .Xr fprintf 3
 default which prints the entire string if the precision is unspecified).  default which prints the entire string if the precision is unspecified).
 .It  .It
 The conversion characters ``h'', ``n'', and ``p'' are not  The conversion characters
 supported.  .Sq h ,
   .Sq n ,
   and
   .Sq p
   are not supported.
 .It  .It
 The single character escape sequences  The single character escape sequences
 described in the C standard are supported:  described in the C standard are supported:
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 which are displayed as two character strings.  which are displayed as two character strings.
 .It Cm _p  .It Cm _p
 Output characters in the default character set.  Output characters in the default character set.
 Nonprinting characters are displayed as a single  Nonprinting characters are displayed as a single dot
 .Dq Cm \&. .  .Ql \&. .
 .It Cm _u  .It Cm _u
 Output US ASCII characters, with the exception that control characters are  Output US ASCII characters, with the exception that control characters are
 displayed using the following, lower-case, names.  displayed using the following, lower-case, names.
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 byte count, or the iteration count times the number of bytes required by  byte count, or the iteration count times the number of bytes required by
 the format if the byte count is not specified.  the format if the byte count is not specified.
 .Pp  .Pp
 The input is manipulated in ``blocks'', where a block is defined as the  The input is manipulated in
   .Dq blocks ,
   where a block is defined as the
 largest amount of data specified by any format string.  largest amount of data specified by any format string.
 Format strings interpreting less than an input block's worth of data,  Format strings interpreting less than an input block's worth of data,
 whose last format unit both interprets some number of bytes and does  whose last format unit both interprets some number of bytes and does
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 conversion character with the same field width  conversion character with the same field width
 and precision as the original conversion character or conversion  and precision as the original conversion character or conversion
 string but with any  string but with any
 .Dq Li \&+ ,  .Ql + ,
 .Dq \&\ \& ,  .Ql \&\ \& ,
 .Dq Li \&#  .Ql #
 conversion flag characters  conversion flag characters
 removed, and referencing a NULL string.  removed, and referencing a NULL string.
 .Pp  .Pp
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 "%07.7_Ax\en"  "%07.7_Ax\en"
 "%07.7_ax  " 8/2 "%04x " "\en"  "%07.7_ax  " 8/2 "%04x " "\en"
 .Ed  .Ed
   .Sh SEE ALSO
   .Xr od 1
 .Sh STANDARDS  .Sh STANDARDS
 The  The
 .Nm  .Nm
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  Added in v.1.10