Add iseek= and oseek= aliases for the preexisting skip= and seek=
operands. Can _YOU_ tell skip= and seek= apart with 100% accuracy every time? This also seems to make us option-for-option compatible with the Solaris dd(1). Approved by: jkh Suggested by: peter
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=57523
@ -82,8 +82,10 @@ static const struct arg {
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{ "files", f_files, C_FILES, C_FILES },
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{ "ibs", f_ibs, C_IBS, C_BS|C_IBS },
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{ "if", f_if, C_IF, C_IF },
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{ "iseek", f_skip, C_SKIP, C_SKIP },
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{ "obs", f_obs, C_OBS, C_BS|C_OBS },
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{ "of", f_of, C_OF, C_OF },
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{ "oseek", f_seek, C_SEEK, C_SEEK },
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{ "seek", f_seek, C_SEEK, C_SEEK },
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{ "skip", f_skip, C_SKIP, C_SKIP },
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};
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12
bin/dd/dd.1
12
bin/dd/dd.1
@ -96,10 +96,20 @@ bytes instead of the default 512.
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Read input from
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.Ar file
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instead of the standard input.
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.It Cm iseek= Ns Ar n
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Seek on the input file
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.Va n
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blocks. This is a synonym for
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.Cm skip= Ns Ar n .
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.It Cm obs= Ns Ar n
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Set the output block size to
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.Va n
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bytes instead of the default 512.
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.It Cm oseek= Ns Ar n
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Seek on the output file
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.Va n
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blocks. This is a synonym for
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.Cm seek= Ns Ar n .
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.It Cm of= Ns Ar file
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Write output to
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.Ar file
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@ -107,7 +117,7 @@ instead of the standard output.
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Any regular output file is truncated unless the
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.Cm notrunc
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conversion value is specified.
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If an initial portion of the output file is skipped (see the
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If an initial portion of the output file is seeked past (see the
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.Cm seek
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operand),
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the output file is truncated at that point.
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