Module: Ghostbuster::Shell

Included in:
Ghostbuster
Defined in:
lib/ghostbuster/shell.rb

Instance Method Summary collapse

Instance Method Details

#sh(cmd, &block) ⇒ Object 



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# File 'lib/ghostbuster/shell.rb', line 3

def sh(cmd, &block)
  out, code = sh_with_code(cmd, &block)
  code == 0 ? out : raise(out.empty? ? "Running `#{cmd}' failed. Run this command directly for more detailed output." : out)
end

#sh_with_code(cmd, &block) ⇒ Object 



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# File 'lib/ghostbuster/shell.rb', line 8

def sh_with_code(cmd, &block)
  outbuf = `#{cmd}`
  block.call(outbuf) if block && $? == 0
  [outbuf, $?]
end