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- UNIQ(1L) UNIQ(1L)
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- NNAAMMEE
- uniq - remove duplicate lines from a sorted file
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- SSYYNNOOPPSSIISS
- uunniiqq [-cdu] [-f skip-fields] [-s skip-chars] [-w check-
- chars] [-#skip-fields] [+#skip-chars] [--count]
- [--repeated] [--unique] [--skip-fields=skip-fields]
- [--skip-chars=skip-chars] [--check-chars=check-chars]
- [--help] [--version] [infile] [outfile]
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- DDEESSCCRRIIPPTTIIOONN
- This manual page documents the GNU version of uunniiqq. uunniiqq
- prints the unique lines in a sorted file, discarding all
- but one of a run of matching lines. It can optionally
- show only lines that appear exactly once, or lines that
- appear more than once. uunniiqq requires sorted input because
- it compares only consecutive lines.
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- If the output file is not specified, uunniiqq writes to the
- standard output. If the input file is not specified, it
- reads from the standard input.
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- OOPPTTIIOONNSS
- _-_u_, _-_-_u_n_i_q_u_e
- Only print unique lines.
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- _-_d_, _-_-_r_e_p_e_a_t_e_d
- Only print duplicate lines.
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- _-_c_, _-_-_c_o_u_n_t
- Print the number of times each line occurred along
- with the line.
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- _-_n_u_m_b_e_r_, _-_f_, _-_-_s_k_i_p_-_f_i_e_l_d_s_=_n_u_m_b_e_r
- In this option, _n_u_m_b_e_r is an integer representing
- the number of fields to skip over before checking
- for uniqueness. The first _n_u_m_b_e_r fields, along
- with any blanks found before _n_u_m_b_e_r fields is
- reached, are skipped over and not counted. Fields
- are defined as a strings of non-space, non-tab
- characters, that are separated from each other by
- spaces and tabs.
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- _+_n_u_m_b_e_r_, _-_s_, _-_-_s_k_i_p_-_c_h_a_r_s_=_n_u_m_b_e_r
- In this option, _n_u_m_b_e_r is an integer representing
- the number of characters to skip over before check-
- ing for uniqueness. The first _n_u_m_b_e_r characters,
- along with any blanks found before _n_u_m_b_e_r charac-
- ters is reached, are skipped over and not counted.
- If you use both the field and character skipping
- options, fields are skipped over first.
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- _-_w_, _-_-_c_h_e_c_k_-_c_h_a_r_s_=_n_u_m_b_e_r
- Specify the number of characters to compare in the
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- FSF GNU Text Utilities 1
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- UNIQ(1L) UNIQ(1L)
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- lines, after skipping any specified fields and
- characters. Normally the entire rest of the lines
- are compared.
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- _-_-_h_e_l_p Print a usage message and exit with a non-zero sta-
- tus.
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- _-_-_v_e_r_s_i_o_n
- Print version information on standard error then
- exit.
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- FSF GNU Text Utilities 2
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