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44 lines
621 B
Groff
44 lines
621 B
Groff
.Dd January 18, 2015
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.Dt COMM 1 sbase\-VERSION
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.Sh NAME
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.Nm comm
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.Nd select or reject lines common to two files
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.Sh SYNOPSIS
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.Nm comm
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.Op Fl 123
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.Ar file1
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.Ar file2
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.Sh DESCRIPTION
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.Nm
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reads
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.Ar file1
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and
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.Ar file2,
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which should both be sorted lexically, and writes three text columns
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to stdout:
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.Bl -tag -width Ds
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.It 1
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Lines only in
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.Ar file1 .
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.It 2
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Lines only in
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.Ar file2 .
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.It 3
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Common lines.
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.El
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.Sh OPTIONS
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.Bl -tag -width Ds
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.It Fl 1 | Fl 2 | Fl 3
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Suppress column 1 | 2 | 3
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.El
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.Sh SEE ALSO
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.Xr cmp 1 ,
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.Xr sort 1 ,
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.Xr uniq 1
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.Sh STANDARDS
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The
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.Nm
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utility is compliant with the
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.St -p1003.1-2008
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specification.
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