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Remove magic number #3

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Remove magic number #3

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@jspc
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@jspc jspc commented May 8, 2018

Currently this tool throws exit(2) on error. This doesn't mean anything and is a magic number.

Instead this PR defines it as an error.

The choice of 2 is out of the scope of this PR.

@matryer
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@matryer matryer commented May 9, 2018

@jspc fair enough. I like to avoid using CAPS as constant names, and maybe it should exit with 1 instead? There is nothing special, just need a non-zero exit code.

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@jspc jspc commented May 9, 2018

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