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68 lines
1.5 KiB
Groff
68 lines
1.5 KiB
Groff
.TH SORT 1 sbase\-VERSION
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.SH NAME
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sort \- sort lines
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.SH SYNOPSIS
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.B sort
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.RB [ \-bnru ]
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.RB [ \-t
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.IR delim ]
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.RB [ \-k
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.IR key ]...
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.RI [ file ...]
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.SH DESCRIPTION
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.B sort
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writes the sorted concatenation of the given files to stdout. If no file is
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given, sort reads from stdin.
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.SH OPTIONS
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.TP
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.B \-C
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check that the concatenation of the given files is sorted rather than sorting
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them. 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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.TP
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.B \-b
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skip leading whitespace of columns when sorting.
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.TP
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.B \-c
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the same as
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.B \-C
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except that when disorder is detected, a message is printed to stderr
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indicating the location of the disorder.
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.TP
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.BI \-k \ key
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specifies a key definition of the form
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.BR S [. s ][ f ][, E [. e ][ f ]]
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where
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.BR S ,
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.BR s ,
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.BR E ,
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and
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.B 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. If they are not specified,
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.B s
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refers to the first character of the specified starting column,
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.B E
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refers to the last column of every line, and
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.B e
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refers to the last character of that last column.
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.B f
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can be used to specify options
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.RB ( n ,
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.BR b )
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that only apply to this key definition.
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.B b
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is special in that it only applies to the column that it was specified after.
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.TP
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.B \-n
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perform a numeric sort.
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.TP
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.B \-r
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reverses the sort.
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.TP
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.BI \-t \ delim
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specifies the field delimiter.
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.TP
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.B \-u
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prints equal lines only once.
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