Linux Command Encyclopedia document editing: Uniq

Source: Internet
Author: User
Keywords Linux Command encyclopedia document editing
Tags aliyun check command encyclopedia delete displays document document editing file

Function Description: Check and delete the repeated occurrences in the text file.

Grammar: uniq&http://www.aliyun.com/zixun/aggregation/37954.html ">NBSP;" [-CDU] [-f< Field] [-s< character position [-w< character position [--help] [--version] [Input file] [Output FILE]

Supplemental Note: Uniq can check the repeated occurrences of the columns in the text file.

Parameters:
-C or--count displays the number of occurrences of the row next to each column.
-D or--repeated displays only the rows that appear repeatedly.
-f< field > or--skip-fields=< field > ignores the specified field.
-s< character position > or--skip-chars=< character position > ignores comparison of specified characters.
-U or--unique only show one row at a time.
-w< character position > or--check-chars=< character position > Specifies the character to compare.
--help display Help.
--version Displays version information.
[Input file] Specifies a sorted text file.
Output file specifies the output file.

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