Uniq - Revision history

Jkuzmin: /* Author */

2016-12-06T11:39:18Z

Author

← Older revision		Revision as of 14:39, 6 December 2016
Line 7:		Line 7:
	16.11.2016		16.11.2016

	[Uniq:Retsensioon] Aleksandr Laada A21		[[Uniq:Retsensioon]] Aleksandr Laada A21

	==Description==		==Description==

Jkuzmin: /* Author */

2016-12-06T11:38:54Z

Author

← Older revision		Revision as of 14:38, 6 December 2016
Line 6:		Line 6:

	16.11.2016		16.11.2016

			[Uniq:Retsensioon] Aleksandr Laada A21

	==Description==		==Description==

Jkuzmin: /* Autor */

2016-12-05T19:17:07Z

Autor

← Older revision		Revision as of 22:17, 5 December 2016
Line 1:		Line 1:
	{{DISPLAYTITLE:Uniq}}		{{DISPLAYTITLE:Uniq}}

	=~~Autor~~=		=Author=

	Jevgeni Kuzmin, A21		Jevgeni Kuzmin, A21

Jkuzmin at 19:15, 5 December 2016

2016-12-05T19:15:14Z

← Older revision		Revision as of 22:15, 5 December 2016
Line 65:		Line 65:
	This is also a line.<br/>		This is also a line.<br/>
	This is also a line.<br/>		This is also a line.<br/>


	==Environment==		==Environment==

Jkuzmin: /* Related commands */

2016-12-05T19:13:44Z

Related commands

← Older revision		Revision as of 22:13, 5 December 2016
Line 89:		Line 89:
	[http://www.computerhope.com/unix/uuncompr.htm uncompress] — Extract files from compressed archives.<br/>		[http://www.computerhope.com/unix/uuncompr.htm uncompress] — Extract files from compressed archives.<br/>

	'''~~Notes~~'''		'''NOTES'''

	'''<code>uniq</code>''' does not detect repeated lines unless they are adjacent. You may want to sort the input first, or use '''<code>sort -u</code>''' instead of '''<code>uniq</code>'''.		'''<code>uniq</code>''' does not detect repeated lines unless they are adjacent. You may want to sort the input first, or use '''<code>sort -u</code>''' instead of '''<code>uniq</code>'''.

Jkuzmin: /* Related commands */

2016-12-05T19:13:16Z

Related commands

← Older revision		Revision as of 22:13, 5 December 2016
Line 88:		Line 88:
	[http://www.computerhope.com/unix/usort.htm sort] — Sort the lines in a text file.<br/>		[http://www.computerhope.com/unix/usort.htm sort] — Sort the lines in a text file.<br/>
	[http://www.computerhope.com/unix/uuncompr.htm uncompress] — Extract files from compressed archives.<br/>		[http://www.computerhope.com/unix/uuncompr.htm uncompress] — Extract files from compressed archives.<br/>

			'''Notes'''
			'''<code>uniq</code>''' does not detect repeated lines unless they are adjacent. You may want to sort the input first, or use '''<code>sort -u</code>''' instead of '''<code>uniq</code>'''.

	==References==		==References==

Jkuzmin: /* Notes */

2016-12-05T19:12:53Z

Notes

← Older revision		Revision as of 22:12, 5 December 2016
Line 81:		Line 81:
	==History==		==History==
	A '''<code>uniq</code>''' command appeared in Version 3 AT&T UNIX.		A '''<code>uniq</code>''' command appeared in Version 3 AT&T UNIX.

	~~==Notes==~~
	~~'''<code>uniq</code>''' does not detect repeated lines unless they are adjacent. You may want to sort the input first, or use '''<code>sort -u</code>''' instead of '''<code>uniq</code>'''.~~

	==Related commands==		==Related commands==

Jkuzmin at 19:11, 5 December 2016

2016-12-05T19:11:26Z

← Older revision		Revision as of 22:11, 5 December 2016
Line 65:		Line 65:
	This is also a line.<br/>		This is also a line.<br/>
	This is also a line.<br/>		This is also a line.<br/>

	~~==What is the uniq command in UNIX?==~~
	The '''<code>uniq</code>''' command in UNIX is a command line utility for reporting or filtering repeated lines in a file. It can remove duplicates, show a count of occurrences, show only repeated lines, ignore certain characters and compare on specific fields. The command expects adjacent comparison lines so it is often combined with the '''<code>sort</code>''' command.

Jkuzmin: /* Options */

2016-12-05T19:08:15Z

Options

← Older revision		Revision as of 22:08, 5 December 2016
Line 16:		Line 16:

	==Options==		==Options==
	'''-c''', --count; - Precede each output line with the count of the number of times the line occurred in the input, followed by a single space.<br/>		*'''-c''', --count; - Precede each output line with the count of the number of times the line occurred in the input, followed by a single space.<br/>
	'''-d ''', --repeated ; - Only output lines that are repeated in the input.<br/>		*'''-d ''', --repeated ; - Only output lines that are repeated in the input.<br/>
	'''-D ''', --all-repeated; - Print all duplicate lines <br/>		*'''-D ''', --all-repeated; - Print all duplicate lines <br/>
	delimit-method={none(default),prepend,separate} Delimiting is done with blank lines. <br/>		delimit-method={none(default),prepend,separate} Delimiting is done with blank lines. <br/>
	'''-f ''', --skip-fields=N ; - Ignore the first num fields in each input line when doing comparisons. A field is a string of non-blank characters separated from adjacent fields by blanks. Field numbers are one based, i.e., the first field is field one.<br/>		*'''-f ''', --skip-fields=N ; - Ignore the first num fields in each input line when doing comparisons. A field is a string of non-blank characters separated from adjacent fields by blanks. Field numbers are one based, i.e., the first field is field one.<br/>
	'''-i ''', --ignore-case ; - Case insensitive comparison of lines.<br/>		*'''-i ''', --ignore-case ; - Case insensitive comparison of lines.<br/>
	'''-s ''', --skip-chars=N ; - Ignore the first chars characters in each input line when doing comparisons. If specified in conjunction with the -f option, the first chars characters after the first num fields will be ignored. Character numbers are one based, i.e., the first character is character one.<br/>		*'''-s ''', --skip-chars=N ; - Ignore the first chars characters in each input line when doing comparisons. If specified in conjunction with the -f option, the first chars characters after the first num fields will be ignored. Character numbers are one based, i.e., the first character is character one.<br/>
	'''-u ''', --unique ; - Only output lines that are not repeated in the input.<br/>		*'''-u ''', --unique ; - Only output lines that are not repeated in the input.<br/>
	'''-w ''', --check-chars=N ; - Compare no more than N characters in lines.<br/>		*'''-w ''', --check-chars=N ; - Compare no more than N characters in lines.<br/>

	==Examples==		==Examples==

Jkuzmin: /* Kasutatud materjalid */

2016-12-05T18:42:37Z

Kasutatud materjalid

← Older revision		Revision as of 21:42, 5 December 2016
Line 95:		Line 95:
	[http://www.computerhope.com/unix/uuncompr.htm uncompress] — Extract files from compressed archives.<br/>		[http://www.computerhope.com/unix/uuncompr.htm uncompress] — Extract files from compressed archives.<br/>

	==~~Kasutatud materjalid~~==		==References==
	http://www.thegeekstuff.com/2013/05/uniq-command-examples <br/>		http://www.thegeekstuff.com/2013/05/uniq-command-examples <br/>
	https://www.freebsd.org/cgi/man.cgi?query=uniq&sektion=1<br/>		https://www.freebsd.org/cgi/man.cgi?query=uniq&sektion=1<br/>