28 May '14, 7am

nice post about capturing command line output with #ruby #developers

There are many ways to run external commands in Ruby: surround with backticks, enclose in %x{}, call Kernel#system… None of those approaches let you display the output of the command in real time while simultaneously capturing the output. Here’s a gist showing how to use IO.popen to capture output, display output, and check exit status:

Full article: http://pivotallabs.com/how-to-simultaneously-display-and-...

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