shuf
generate random permutations
TLDR
Randomize the order of lines in a file and output the result
Only output the first 5 entries of the result
Write the output to another file
Generate 3 random numbers in the range 1-10 (inclusive)
SYNOPSIS
shuf [OPTION]... [FILE]
shuf -e [OPTION]...
[ARG]...
shuf -i LO-HI [OPTION]...
DESCRIPTION
Write a random permutation of the input lines to standard output.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
- -e, --echo
-
treat each ARG as an input line
- -i, --input-range=LO-HI
-
treat each number LO through HI as an input line
- -n, --head-count=COUNT
-
output at most COUNT lines
- -o, --output=FILE
-
write result to FILE instead of standard output
- --random-source=FILE
-
get random bytes from FILE
- -r, --repeat
-
output lines can be repeated
- -z, --zero-terminated
-
line delimiter is NUL, not newline
- --help
-
display this help and exit
- --version
-
output version information and exit
REPORTING BUGS
GNU coreutils online help:
<https://www.gnu.org/software/coreutils/>
Report any translation bugs to
<https://translationproject.org/team/>
COPYRIGHT
Copyright © 2022 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <https://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.
SEE ALSO
Full documentation <https://www.gnu.org/software/coreutils/shuf> or available locally via: info '(coreutils) shuf invocation'
AUTHOR
Written by Paul Eggert.