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- COMM(1L) COMM(1L)
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- NNAAMMEE
- comm - compare two sorted files line by line
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- SSYYNNOOPPSSIISS
- ccoommmm [-123] [--help] [--version] file1 file2
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- DDEESSCCRRIIPPTTIIOONN
- This manual page documents the GNU version of ccoommmm. ccoommmm
- prints lines that are common, and lines that are unique,
- to two input files. The two files must be sorted before
- ccoommmm can be used. The file name `-' means the standard
- input.
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- With no options, ccoommmm produces three column output. Col-
- umn one contains lines unique to _f_i_l_e_1, column two con-
- tains lines unique to _f_i_l_e_2, and column three contains
- lines common to both files.
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- OOPPTTIIOONNSS
- The options _-_1, _-_2, and _-_3 suppress printing of the corre-
- sponding columns.
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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 1
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