One Day One GNU/Linux Command
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comm - Compare 2 sorted files line by line
Summary:
Compare two sorted files F1 and F2 line by line.
Examples:
$ comm F1 F2 -- Output contain 3 columns (Col1 - Uniq to F1,
Col2 - Uniq to F2 and Col3 - Common to F1 & F2).
$ comm -1 F1 F2 -- Suppress lines unique to F1
$ comm -2 F1 F2 -- Suppress lines unique to F2
$ comm -3 F1 F2 -- Suppress common lines to F1 & F2
$ comm -13 F1 F2 -- Show lines from F2, which is not in F1
$ comm -23 F1 F2 -- Show lines from F1, which is not in F2
Read: man comm
HTH :)
--
Bharathi S
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