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echoif

    echoif is a utility that echoes the value of <a> if the exit code of the previous command is 0, echoes the value of <b> otherwise

    Usage:
    ops -echoif <a> <b>

    Example

      $( exit 1 ); ops -echoif "0" "1"
  1

    or

      $( exit 0 ); ops -echoif "0" "1"
  0