Matthew Rothenberg b2d86a16b2 use perl instead of sed -r to strip colors in test ...

`sed -r` is not present on some BSD based systems, including MacOSX
Darwin.  perl is standard pretty much everywhere, so this a more
reliable way to test.

Since this is only used for tests, any performance differences
should not matter significantly.

2014-10-16 15:31:12 -04:00

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