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9 lines
168 B
Plaintext
9 lines
168 B
Plaintext
h=x$(busybox hostid)
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# Is $h a sequence of hex numbers?
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x="${h//[0123456789abcdef]/x}"
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x="${x//xxx/x}"
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x="${x//xxx/x}"
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x="${x//xxx/x}"
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x="${x//xx/x}"
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test x"$x" = x"x"
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