On Mon, 23 Jul 2018, Russell Senior wrote:

Russell,

Second, I think you want NF, not NR.

  Yes. That is correct.

Thirdly, I think you want to just write matching rules (mawk manpage didn't
mention switch), e.g.:

 NF == 38 { print stuff }
 NR == 37 { print other stuff }

  Sigh. Yes, specifying the pattern followed by the action is the solution.
I moved this processing from a bash script using IF - ELIF - ELSE so the
switch statement seemed to be the right choice.

  Thanks for getting me back to the (g)awk solution.

Best regards,

Rich
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