Linux command--seq

The SEQ command is used to generate all integers from one number to another.

Grammar

seq [Options] ... Mantissa seq [Options] ... First number of mantissa seq [options] ... First number increment Mantissa

Options

-f    Specify format, format output with printf style -S Use the    specified string to separate numbers (by default: \ n)-W    completion, add 0 to the column before the columns are the same width

Instance

-F Specify format

[[Email protected] ~] #  010203

% previous specified string

[[Email protected] ~] # seq-f "num%02g" 4 6 num04num05num06

-W Output Digital same width

[[Email protected] ~] # seq-w01020304050607080910

[[Email protected] ~] # seq-w 0000050100

-S Specify delimiter (default is carriage return)

[[Email protected] ~] # seq-s "-" Ten1-2-3-4-5-6-7-8-9-10

Paired with

[[Email protected] ~] # seq-s "--"-F "stu%03g" 5stu001-->stu002-->stu003-->stu004-->stu005

Script instance

1, the new 15 users, the user name format is stdxx, where xx from 01-15

# !/bin/bash  for  in ' seq-f'stu%02g '        useradd $idone

Linux command--seq