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Answers and rating deltas for

Why do shell script comparisons often use x$VAR = xyes?

Author Votes Δ
paxdiablo 26 +0.75
Jonathan Leffler 8 +2.84
Jay 3 +0.91
Ken 1 -0.94
Kent Fredric 1 -0.46
Paul Tomblin 1 -1.34
hendry 0 -3.85
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