Problem: Write an SQL query to convert a binary number to its Decimal equivalent.
Solution:
select sum(substr(&binary_number,rownum,1)*power(2,length(&binary_number)-rownum)) decimal_number from all_objects
where rownum<=length(&binary_number)
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return code before grep
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my 2009 solution return code before grep ( ( ( mycmd echo $? >&3 ) |grep
mytext >&4 ) 3>&1 |(read x;exit $x) )4>&1 my 2025 solution mycmd > >(grep
mytext)
2 weeks ago
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