Similar to Getting output of system() calls in Ruby , I am running a system command, but in this case I need to output the STDOUT from the command as it runs.
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Similar to Getting output of system() calls in Ruby , I am running a system command, but in this case I need to output the STDOUT from the command as it runs.
As in the linked question, the answer is again not to use
systemat all assystemdoes not support this.However this time the solution isn’t to use
backticks, butIO.popen, which returns an IO object that you can use to read the input as it is being generated.