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sort (Unix)

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Standard UNIX utility

sort
The`sort` command
Original author	Ken Thompson (AT&T Bell Laboratories)
Developers	Variousopen-source andcommercial developers
Initial release	November 3, 1971; 54 years ago (1971-11-03)
Written in	C
Operating system	Multics,Unix,Unix-like,V,Plan 9,Inferno,MSX-DOS,IBM i
Platform	Cross-platform
Type	Command
License	coreutils:GPLv3+ Plan 9:MIT License

Incomputing,sort is a standardcommand line program ofUnix andUnix-like operating systems, that prints the lines of its input or concatenation of allfiles listed in itsargument list in sorted order. Sorting is done based on one or more sort keys extracted from each line of input. By default, the entire input is taken as sort key. Blank space is the default field separator. The command supports a number ofcommand-line options that can vary by implementation. For instance the "-r" flag will reverse the sort order. Sort ordering is affected by the environment'slocale settings.^[1]

Name	Description	SUS/POSIX	Plan 9	Inferno	FreeBSD	Linux	MSX-DOS	IBM i
-b, --ignore-leading-blanks	roIgnores leading blanks.	Short	Short	No	Yes	Yes	No	Short
-c, --check	Check that input file is sorted.	No	Short	No	Yes	Yes	No	Short
-C, --check=<silent\|quiet>	Like -c, but does not report the first bad line.	No	No	No	Yes	Yes	No	No
-d, --dictionary-order	Considers only blanks and alphanumeric characters.	Short	Short	No	Yes	Yes	No	Short
-f, --ignore-case	Fold lower case to upper case characters.	Short	Short	No	Yes	Yes	No	Short
-g, --general-numeric-sort, --sort=general-numeric	Compares according to general numerical value.	Short	Short	No	Yes	Yes	No	No
-h, --human-numeric-sort, --sort=human-numeric	Compare human readable numbers (e.g., 2K 1G).	Short	No	No	Yes	Yes	No	No
-i, --ignore-nonprinting	Considers only printable characters.	Short	Short	No	Yes	Yes	No	Short
-k, --key=POS1[,POS2]	Start a key atPOS1 (origin 1), end it atPOS2 (default end of line)	No	No	No	Yes	Yes	No	No
-m	Merge only; input files are assumed to be presorted.	No	Short	No	Yes	Yes	No	Short
-M, --month-sort, --sort=month	Compares (unknown) < 'JAN' < ... < 'DEC'.	Short	Short	No	Yes	Yes	No	No
-n, --numeric-sort, --sort=numeric	Compares according to string numerical value.	Short	Short	Short	Yes	Yes	No	Short
-oOUTPUT	UsesOUTPUT file instead of standard output.	No	Short	No	Yes	Yes	No	Short
-r, --reverse	Reverses the result of comparisons.	Short	Short	Short	Yes	Yes	No	Short
-R, --random-sort, --sort=random	Shuffles, but groups identical keys. See also:shuf	No	No	No	Yes	Yes	No	No
-s	Stabilizes sort by disabling last-resort comparison.	No	No	No	Yes	Yes	No	No
-Ssize, --buffer-size=size	Usesize for the maximum size of the memory buffer.	No	No	No	Yes	No	No	No
-tchar, --field-separator=char	Useschar instead of non-blank to blank transition. In other words, 'Tab character' separating fields ischar.	No	Short	No	Yes	Yes	No	Short
-Tdir, --temporary-directory=dir	Usesdir for temporaries.	No	Short	No	Yes	Yes	No	No
-u, --unique	Unique processing to suppress all but one in each set of lines having equal keys.	No	Short	No	Yes	Yes	No	Short
-V, --version-sort	Natural sort of (version) numbers within text	No	No	No	Yes	Yes	No	No
-w	Like -i, but ignore only tabs and spaces.	No	Yes	No	No	No	No	No
-z, --zero-terminated	End lines with 0 byte, not newline	No	No	No	Yes	Yes	No	No
--help	Display help and exit	No	No	No	Yes	Yes	No	No
--version	Output version information and exit	No	No	No	Yes	Yes	No	No
/R	Reverses the result of comparisons.	No	No	No	No	No	Yes	No
/S	Specify the number of digits to determine how many digits of each line should be judged.	No	No	No	No	No	Yes	No
/A	Sort by ASCII code.	No	No	No	No	No	Yes	No
/H	Include hidden files when using wild cards.	No	No	No	No	No	Yes	No

v t e Unix command-line interface programs andshell builtins
File system	cat chattr chmod chown chgrp cksum cmp cp dd du df file fuser ln ls mkdir mv pax pwd rm rmdir split tee touch type umask
Processes	at bg crontab fg kill nice ps time
User environment	env exit logname mesg talk tput uname who write
Text processing	awk basename comm csplit cut diff dirname ed ex fold head iconv join m4 more nl paste patch printf read sed sort strings tail tr troff uniq vi wc xargs
Shell builtins	alias cd echo test unset wait
Searching	find grep
Documentation	man
Software development	ar ctags lex make nm strip yacc
Miscellaneous	bc cal expr lp od sleep true and false
Categories Standard Unix programs Unix SUS2008 utilities List

v t e Plan 9 command-line interface programs andshell builtins
File system	chmod chgrp cmp cp dd du file gzip ls mkdir pwd rm split tee touch
Processes	kill ps
User environment	passwd who
Text processing	awk basename comm diff ed eqn join sed sort spell strings tail tr troff uniq wc
Shell builtins	echo test
Networking	ip/ipconfig ip/ping netstat
Searching	grep
Software development	ar hoc lex nm strip yacc
Miscellaneous	bc cal fortune sleep
Category

v t e GNU Core Utilities command-line interface programs
File system	chcon chmod chown chgrp cksum cp dd df dir dircolors install ln ls mkdir mkfifo mknod mktemp mv realpath rm rmdir shred sync touch truncate vdir
Text utilities	b2sum base32 base64 cat cksum comm csplit cut expand fmt fold head join md5sum nl numfmt od paste ptx pr sha1sum shuf sort split sum tac tail tr tsort unexpand uniq wc
Shell utilities	arch basename chroot date dirname du echo env expr factor false groups hostid id link logname nice nohup nproc pathchk pinky printenv printf pwd readlink runcon seq sleep stat stdbuf stty tee test timeout true tty uname unlink uptime users who whoami yes

Movatterモバイル変換

History

Non-POSIX ports

Syntax

Parameters

Examples

Sort a file in alphabetical order

Sort by number

Columns or fields

Sort on multiple fields

Sorting a pipe delimited file

Sorting a tab delimited file

Sort in reverse

Sort in random

Sort by version

See also

References

Further reading

External links