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e9a910b33c
i currently use the output of sha512sum in several places of xbmk, which is a bit unreliable in case output changes. other cases where i use util outputs in variables are probably reliable, because i'm using mostly posix utilities in those. to mitigate this, i now import suckless sbase, which has a reasonable sha512sum implementation. *every* binary it builds is being placed in build.list, because i'll probably start using more of them. for example, i may start modifying the "date" implementation, adding the GNU-specific options that i need as mentioned on init.sh i'm importing it in util/ because the sha512sum util is needed for verifying project sources, so if sbase itself is a "project source", that means we can into a chicken and egg bootstrapping problem. this is sbase at revision: 055cc1ae1b3a13c3d8f25af0a4a3316590efcd48 Signed-off-by: Leah Rowe <leah@libreboot.org>
41 lines
554 B
Groff
41 lines
554 B
Groff
.Dd October 8, 2015
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.Dt COMM 1
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.Os sbase
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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
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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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POSIX.1-2013.
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