boy oh boy do I love consulting POSIXโ€ฆ pump.strugee.net/alex/note/rโ€ฆ
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POSIX loves you too. As does SVr4, 4.3BSD, and everyone else :-)
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I have literally spent the last hour doing nothing but portability fixes haha github.com/strugee/filter-otโ€ฆ
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doh :-) I think there's a tool to help with that sort of thing.
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Replying to @dsilverstone
yes! `checkbashisms` from the `devtools` package - it was super helpful and I just made CI fail if it reports errors :-)