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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>
99 lines
1.8 KiB
Groff
99 lines
1.8 KiB
Groff
.Dd February 17, 2016
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.Dt SORT 1
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.Os sbase
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.Sh NAME
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.Nm sort
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.Nd sort lines
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.Sh SYNOPSIS
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.Nm
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.Op Fl Cbcdfimnru
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.Op Fl o Ar outfile
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.Op Fl t Ar delim
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.Op Fl k Ar key ...
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.Op Ar file ...
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.Sh DESCRIPTION
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.Nm
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writes the sorted concatenation of each
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.Ar file
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to stdout.
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If no
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.Ar file
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is given
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.Nm
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reads from stdin.
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.Sh OPTIONS
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.Bl -tag -width Ds
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.It Fl C
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Check that the concatenation of the given
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.Ar files
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is sorted rather than sorting them.
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In this mode, no output is printed to stdout, and the exit status
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indicates the result of the check.
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.It Fl b
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Skip leading whitespace of columns when sorting.
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.It Fl c
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The same as
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.Fl C
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except that when disorder is detected, a message is written to stderr
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indicating the location of the disorder.
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.It Fl d
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Skip non-whitespace and non-alphanumeric characters.
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.It Fl f
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Ignore letter case when sorting.
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.It Fl i
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Skip non-printable characters.
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.It Fl k Ar key
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Specify a key definition of the form
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.Sm off
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.Sy S
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.No [.
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.Sy s
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.No ][
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.Sy f
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.No ][ ,
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.Sy E
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.No [.
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.Sy e
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.No ][
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.Sy f
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.No ]]
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.Sm on
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where
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.Sy S , s , E
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and
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.Sy e
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are the starting column, starting character in that column, ending column and
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the ending character of that column respectively.
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If they are not specified,
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.Sy s
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refers to the first character of the specified starting column,
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.Sy E
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refers to the last column of every line, and
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.Sy e
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refers to the last character of the ending column.
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.Sy f
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can be used to specify options
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.Sy ( n , b )
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that only apply to this key definition.
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.Sy b
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is special in that it only applies to the column that it was specified after.
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.It Fl m
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Assume sorted input, merge only.
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.It Fl n
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Perform a numeric sort.
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.It Fl o Ar outfile
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Write output to
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.Ar outfile
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rather than stdout.
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.It Fl r
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Reverses the sort.
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.It Fl t Ar delim
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Set
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.Ar delim
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as the field delimiter.
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.It Fl u
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Print equal lines only once.
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.El
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.Sh STANDARDS
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POSIX.1-2013.
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