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CentOS 7.0 - man page for sort (centos section 1)

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SORT(1) 				  User Commands 				  SORT(1)

       sort - sort lines of text files

       sort [OPTION]... [FILE]...
       sort [OPTION]... --files0-from=F

       Write sorted concatenation of all FILE(s) to standard output.

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

       -b, --ignore-leading-blanks
	      ignore leading blanks

       -d, --dictionary-order
	      consider only blanks and alphanumeric characters

       -f, --ignore-case
	      fold lower case to upper case characters

       -g, --general-numeric-sort
	      compare according to general numerical value

       -i, --ignore-nonprinting
	      consider only printable characters

       -M, --month-sort
	      compare (unknown) < 'JAN' < ... < 'DEC'

       -h, --human-numeric-sort
	      compare human readable numbers (e.g., 2K 1G)

       -n, --numeric-sort
	      compare according to string numerical value

       -R, --random-sort
	      sort by random hash of keys

	      get random bytes from FILE

       -r, --reverse
	      reverse the result of comparisons

	      sort according to WORD: general-numeric -g, human-numeric -h, month -M, numeric -n,
	      random -R, version -V

       -V, --version-sort
	      natural sort of (version) numbers within text

       Other options:

	      merge at most NMERGE inputs at once; for more use temp files

       -c, --check, --check=diagnose-first
	      check for sorted input; do not sort

       -C, --check=quiet, --check=silent
	      like -c, but do not report first bad line

	      compress temporaries with PROG; decompress them with PROG -d

	      annotate	the  part  of the line used to sort, and warn about questionable usage to

	      read input from the files specified by NUL-terminated names in file F; If  F  is	-
	      then read names from standard input

       -k, --key=KEYDEF
	      sort via a key; KEYDEF gives location and type

       -m, --merge
	      merge already sorted files; do not sort

       -o, --output=FILE
	      write result to FILE instead of standard output

       -s, --stable
	      stabilize sort by disabling last-resort comparison

       -S, --buffer-size=SIZE
	      use SIZE for main memory buffer

       -t, --field-separator=SEP
	      use SEP instead of non-blank to blank transition

       -T, --temporary-directory=DIR
	      use  DIR	for  temporaries,  not $TMPDIR or /tmp; multiple options specify multiple

	      change the number of sorts run concurrently to N

       -u, --unique
	      with -c, check for strict ordering; without -c, output only the first of	an  equal

       -z, --zero-terminated
	      end lines with 0 byte, not newline

       --help display this help and exit

	      output version information and exit

       KEYDEF is F[.C][OPTS][,F[.C][OPTS]] for start and stop position, where F is a field number
       and C a character position in the field; both are origin 1, and the stop position defaults
       to  the	line's end.  If neither -t nor -b is in effect, characters in a field are counted
       from the beginning of the preceding whitespace.	OPTS is one or more single-letter  order-
       ing options [bdfgiMhnRrV], which override global ordering options for that key.	If no key
       is given, use the entire line as the key.

       SIZE may be followed by the following multiplicative suffixes: % 1% of memory, b 1, K 1024
       (default), and so on for M, G, T, P, E, Z, Y.

       With no FILE, or when FILE is -, read standard input.

       ***  WARNING *** The locale specified by the environment affects sort order.  Set LC_ALL=C
       to get the traditional sort order that uses native byte values.

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report  sort  transla-
       tion bugs to <http://translationproject.org/team/>

       Written by Mike Haertel and Paul Eggert.

       Copyright  (C)  2013  Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or
       later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO	WARRANTY,
       to the extent permitted by law.


       The  full  documentation for sort is maintained as a Texinfo manual.  If the info and sort
       programs are properly installed at your site, the command

	      info coreutils 'sort invocation'

       should give you access to the complete manual.

GNU coreutils 8.22			    June 2014					  SORT(1)
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