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  • Good advise all around. Also, much cleaner regex. My failure for not reading closer into sed to discover the 'e' flag. I think we can close this off. I appreciate everyone's attention and responses. Commented Sep 7, 2018 at 22:46
  • @RohnWood, note that StackExchange is more like a wiki than a support request site. We don't close off requests there. As the original poster, you can accept one of the answers (using the tick box) which indicates that you are happy with the answer given and think it's the best for your need, but that doesn't stop people from suggesting other answers which may be useful to you or other people with similar needs. Questions may be closed through a voting system if they're deemed inappropriate by the community but that's not the case here. Commented Sep 7, 2018 at 23:20