10 lines
211 B
Text
10 lines
211 B
Text
# test read with a timeout of 0 -- input polling
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# sleep with fractional seconds argument is not universal
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echo abcde | { sleep 0.25 2>/dev/null ; read -t 0; }
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echo $?
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read -t 0 < $0
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echo $?
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read -t 0
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echo $?
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