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	uniq.1 - sbase - suckless unix tools
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	uniq.1 (832B)
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	1 .Dd October 8, 2015
	2 .Dt UNIQ 1
	3 .Os sbase
	4 .Sh NAME
	5 .Nm uniq
	6 .Nd report or filter out repeated lines in a file
	7 .Sh SYNOPSIS
	8 .Nm
	9 .Op Fl c
	10 .Op Fl d \| u
	11 .Op Fl f Ar num
	12 .Op Fl s Ar num
	13 .Op Ar input Op Ar output
	14 .Sh DESCRIPTION
	15 .Nm
	16 reads the
	17 .Ar input
	18 file and writes one copy of a line from each group of consecutive
	19 duplicate lines to the
	20 .Ar output
	21 file.
	22 If no
	23 .Ar input
	24 file is given
	25 .Nm
	26 reads from stdin.
	27 If no
	28 .Ar output
	29 file is given
	30 .Nm
	31 writes to stdout.
	32 .Sh OPTIONS
	33 .Bl -tag -width Ds
	34 .It Fl c
	35 Prefix each line with the number of consecutive occurrences in
	36 .Ar input .
	37 .It Fl d \| Fl u
	38 Print duplicate \| unique lines only.
	39 .It Fl f Ar num \| Fl s Ar num
	40 Ignore the first
	41 .Ar num
	42 fields \| characters in each input line when doing comparisons.
	43 .El
	44 .Sh STANDARDS
	45 The
	46 .Nm
	47 utility is compliant with the
	48 .St -p1003.1-2013
	49 specification.