[PLUG] Fun sed challenge!

[David Fleck]

On Thu, 2017-11-16 at 04:48 -0800, Russell Senior wrote:
> Nice, that's a notch better than I came up with.  But, sadly, it
> still
> munges the timestamps with leading zeros in minutes and seconds.

Oops, didn't notice the timestamp.  How about:
cat testline | sed -e 's/ \(..\):\(..\):\(..\) /x\1x\2x\3x/' -e
's/:0/:/g' -e 's/:0/:/g' -e 's/:0/:/g' -e 's/:0/:/g' -e 's/:::*/::/g'
-e 's/x\(..\)x\(..\)x\(..\)x/ \1:\2:\3 /'

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