![]() ![]() Create a Kubernetes cluster using azurermkubernetescluster. Access the configuration of the AzureRM provider to get the Azure Object ID using azurermclientconfig. Create an Azure resource group using azurermresourcegroup. In any case, the correct way to do this is using mktemp as in Oleg Razgulyaev's answer. Create a random value for the Azure resource group name using randompet. RANDOM generates a random integer from 0. Next, it will generate a random number in range from 0 to total number words available. The Windows CMD shell contains a built-in variable called RANDOM that can be used to generate random numbers. ![]() However, since we're using mod 8 is divisible by 16, that won't be a problem here. The random word generator script first gets the total number of words available in the /usr/share/dict/words file. Bash provides a built-in variable RANDOM that generates random numbers between 0. Note that because of using the mod operator on a value that ranges from 0 to 32767 the distribution of digits using the snippets could be skewed (not to mention the fact that the numbers are pseudo random in the first place). Use the RANDOM variable with cut command to generate random string in Bash. But it doesn't work in zsh (5.2) or ksh (93u+) because RANDOM only gets evaluated once in the brace expansion in those shells. I tested it in Bash 3.2, 4.4 and 5.0-alpha. If there are fewer arguments, the unmatched format string (portion) is ignored, but that doesn't apply in this case. When printf receives more arguments than its format string accounts for, the format is applied to each argument in turn until they are all consumed. There, the numbers are converted to hex by the %X format string and they are appended to each other without spaces (since there aren't any in the format string) and the result is stored in the variable named string. The command substitution containing the first printf is not quoted so that word splitting is performed and each number goes to the second printf as a separate argument. The space in the format string ensures that there is then at least one space between each output number. For each element of that list, the first printf strips off all but the first two characters using its format string ( %.2) leaving either single digits followed by a space each or two digits. ![]() This technique uses brace expansion to produce a list of 32 random numbers mod 16 each followed by a space and one of the numbers in the range in braces followed by another space (e.g. Creating Random Numbers and Strings in Bash is fairly simple. In the following, "first" and "second" printf refers to the order in which they're executed rather than the order in which they appear in the line. However, without using any external executables, in Bash and ksh: string='' for i in ) As you probably noticed from each of the answers, you generally have to "resort to a program". ![]()
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