#top uniq¶

uniq - report or omit repeated lines

Powiązane:
cat, grep, head, sed, sort, tail, tr, uniq, wc,

SYNOPSIS

uniq [OPTION]... [INPUT [OUTPUT]]

DESCRIPTION

OPTIONS

Discard all but one of successive identical lines from INPUT (or standard input), writing to OUTPUT (or standard output).

Mandatory arguments to long options are mandatory for short options too.

-c, --count

prefix lines by the number of occurrences

-d, --repeated

only print duplicate lines

-D, --all-repeated[=delimit-method]

print all duplicate lines
delimit-method={none(default),prepend,separate} Delimiting is done with blank lines.

-f, --skip-fields=N

avoid comparing the first N fields

-i, --ignore-case

ignore differences in case when comparing

-s, --skip-chars=N

avoid comparing the first N characters

-u, --unique

only print unique lines

-w, --check-chars=N

compare no more than N characters in lines

--help display this help and exit

--version

output version information and exit

A field is a run of whitespace, then non-whitespace characters. Fields are skipped before chars.

EXAMPLES
usuwanie duplikatów

uniq

wyświetlenie liczby duplikatów

uniq -c

zamiana spacji na nowe linie, sortowanie wyrazów, usuwanie duplikatów,

cat plik | tr  ' ' '\n' | sort | uniq

Zmodyfikowany ostatnio: 2014/05/15 10:02:01 (9 lat temu), textsize: 2,39 kB, htmlsize: 3,38 kB

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