shufis a command-line utility that generates random permutations. You can use it to generate a random number within a specific range: # Generate a random number using shufrandom_number=$(shuf-i1-100 -n1)# Print the random numberecho"The random number is$random_number"# Output:# The rando...
local webBasePathTemp=$(gen_random_string 10) /usr/local/x-ui/x-ui setting -username ${usernameTemp} -password ${passwordTemp} -webBasePath ${webBasePathTemp} echo -e "This is a fresh installation, will generate random login info for security concerns:" echo -e "###" 103 changes:...
Brace expansion allows us to generate arbitrary strings. It's similar to filename expansion. For example:echo beg{i,a,u}n # begin began begunAlso brace expansions may be used for creating ranges, which are iterated over in loops.echo {0..5} # 0 1 2 3 4 5 echo {00..8..2} # ...
问Bash脚本“sed: first RE不能为空”错误EN版权声明：本文内容由互联网用户自发贡献，该文观点仅代表...
Write a Bash script that utilizes a while loop to continuously generate a random number between 1 and 50 until it generates a number divisible by 3. Code: #!/bin/bash # Initialize a variable to store the random number random_number=0 ...
Brace expansion allows us to generate arbitrary strings. It's similar tofilename expansion. For example: echobeg{i,a,u}n# begin began begun Also brace expansions may be used for creating ranges, which are iterated over in loops. echo{0..5}# 0 1 2 3 4 5echo{00..8..2}# 00 02 ...
The shuffle function uses a bash for loop to permute they entries in the array based on the unbiased random number we generated with the rand function.# generate a random number from 0 to ($1-1) # GLOBALS: _RANDOM.rand() {
## [d[ebug]|s[ysinfo]] Generate system information. elif [[ "${1//-}" = [Dd]* ]] || [[ "${1//-}" = [Ss]* ]] then printf "\\nSetting mode to sysinfo.\\n" shift _ARG2DIR_ "$@" _INTROSYSINFO_ "$@" ## [he[lp]|?] Display terse builtin help. elif...
1. bash builtin commands(fedora38-GNU Bash 5.2) BASH_BUILTINS(1) General Commands Manual BASH_BUILTINS(1)23NAME4:, ., [, alias, bg, bind, break, builtin, caller, cd, command, compgen, complete, compopt, continue, declare, dirs, disown,echo,5enable, eval, exec, exit, export,false...
The main problem is that the command && will also generate an exit status and may lead to the command after the || to be executed. # Incorrect / Not Recommended [[ ! -f myFile ]] && myCommandOnSuccess || myCommandOnFailure # Correct / Best Practice if [[ -f myFile ]]; then ...