expect_fail() function: Optimized #2776
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1. The line `$ADDRSET $specs < /dev/null 2> /dev/null` uses command substitution to capture the output and errors of the command. This can be improved by using "$($ADDRSET $specs < /dev/null 2> /dev/null)" to capture the output directly into a variable. 2. The input redirection < /dev/null and error redirection 2> /dev/null might be unnecessary in some cases. If they are not needed, they can be removed for simplicity.
Update test-addrset.sh
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The line
$ADDRSET $specs < /dev/null 2> /dev/nulluses command substitution to capture the output and errors of the command. This can be improved by using "$($ADDRSET $specs < /dev/null 2> /dev/null)" to capture the output directly into a variable.The input redirection < /dev/null and error redirection 2> /dev/null might be unnecessary in some cases. If they are not needed, they can be removed for simplicity.