sort command help
sort - sort lines of text files
../src/sort [OPTION]... [FILE]...
Write sorted concatenation of all FILE(s) to standard out
start a key at POS1, end it *before* POS2 (obsoles
cent) field numbers and character offsets are num
bered starting with zero (contrast with the -k
-b ignore leading blanks in sort fields or keys
-c check if given files already sorted, do not sort
-d consider only [a-zA-Z0-9 ] characters in keys
-f fold lower case to upper case characters in keys
-g compare according to general numerical value, imply
-i consider only [0-76] characters in keys
start a key at POS1, end it *at* POS2 field numbers
and character offsets are numbered starting with
one (contrast with zero-based +POS form)
-l sort according to current locale
-m merge already sorted files, do not sort
-M compare (unknown) < `JAN' < ... < `DEC', imply -b
-n compare according to string numerical value, imply
write result on FILE instead of standard output
-r reverse the result of comparisons
-s stabilize sort by disabling last resort comparison
-t SEP use SEParator instead of non- to whitespace transi
use DIRECTORY for temporary files, not $TMPDIR or
-u with -c, check for strict ordering; with -m, only
output the first of an equal sequence
-z end lines with 0 byte, not newline, for find
--help display this help and exit
output version information and exit
POS is F[.C][OPTS], where F is the field number and C the
character position in the field, both counted from one
with -k, from zero with the obsolescent form. OPTS is
made up of one or more of Mbdfinr; this effectively dis
ables global -Mbdfinr settings for that key. If no key is
given, use the entire line as the key. With no FILE, or
when FILE is -, read standard input.
Written by Mike Haertel.
Report bugs to <firstname.lastname@example.org>.
Copyright © 1999 Free Software Foundation, Inc.
This is free software; see the source for copying condi
tions. There is NO warranty; not even for MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE.
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
should give you access to the complete manual.
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