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Manual for sort - man sort

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SORT(1)                          User Commands                         SORT(1)

       sort(1,3) - sort(1,3) lines of text files

       sort(1,3) [OPTION]... [FILE]...

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

       Ordering options:

       Mandatory  arguments  to  long  options are mandatory for short options

       -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'

       -n, --numeric-sort
              compare according to string(3,n) numerical value

       -r, --reverse
              reverse the result of comparisons

       Other options:

       -c, --check
              check whether input is sorted; do not sort(1,3)

       -k, --key=POS1[,POS2]
              start a key at POS1, end it at POS 2 (origin 1)

       -m, --merge
              merge(1,8) already sorted files; do not sort(1,3)

       -o, --output=FILE
              write(1,2) result to FILE instead of standard output

       -s, --stable
              stabilize sort(1,3) 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 transi-

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

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

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

       --help display this help and exit(3,n,1 builtins)

              output version(1,3,5) information and exit(3,n,1 builtins)

       POS  is  F[.C][OPTS],  where  F is the field number and C the character
       position in(1,8) the field.  OPTS is  one  or  more  single-letter  ordering
       options,  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(2,n,1 builtins) standard input.

       ***  WARNING  ***  The locale(3,5,7) specified by the environment affects sort(1,3)
       order.  Set LC_ALL=C to get the traditional sort(1,3) order that uses native
       byte values.

       Written by Mike Haertel and Paul Eggert.

       Report bugs to <>.

       Copyright  2004 Free Software Foundation, Inc.
       This is free software; see the source for copying conditions.  There is
       NO warranty; not even for MERCHANTABILITY or FITNESS FOR  A  PARTICULAR

       The  full documentation for sort(1,3) is maintained as a Texinfo manual.  If
       the info(1,5,n) and sort(1,3) programs are properly installed  at  your  site,  the

              info(1,5,n) coreutils sort(1,3)

       should give you access(2,5) to the complete manual.

sort(1,3) (coreutils) 5.2.1            March 2004                           SORT(1)

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