генерировать случайные перестановки (generate random permutations)
Имя (Name)
shuf - generate random permutations
Синопсис (Synopsis)
shuf [OPTION]... [FILE]
shuf -e [OPTION]... [ARG]...
shuf -i LO-HI [OPTION]...
Описание (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
