Using (20.30) (using Random.new) generally would not be a good idea, as explained in detail (again) by Marc-André Lafortune, in his answer (again).īut if you don't use Random.new, then the class method rand only takes a max value, not a Range, as banister (energetically) points out in the comment (and as documented in the docs for Random). ![]() If the delimiter is one of the characters (, [, ![]() standard output) of the shell command.įollowing the x character is a delimiter, which can be any character. This is like many other languages, including Bash, PHP, and Perl. Kernel#`, commonly called backticks – `cmd` Here are ways to execute a shell script: cmd = "echo 'hi'" # Sample string that can be used Some Bash syntax is not supported by /bin/sh on all systems. If you want to improve the script, feel free to update it at the link.įirst, note that when Ruby calls out to a shell, it typically calls /bin/sh, not Bash. This explanation is based on a commented Ruby script from a friend of mine. The method i am looking for should be something like: Sidekiq.is_running? I tried using the grep like 'ps -ef | grep sidekiq' ![]() My requirement is kind of a pre check condition where if Sidekiq is not running i will raise a error. Is there any inbuilt Sidekiq console method/method that helps me to find whether sidekiq is running or not.
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