question about floating point calcuation with shell script / bc
patrick_dkt at yahoo.com.hk
Mon Nov 12 05:28:31 PST 2007
I have a file with numbers in each line.
Each number is a decimal number.
My task is to add them up and get the final answer.
I have searched with the search engine.
I found bash cannot handle floating point calculation.
I tried to use 'bc' and found if the final answer is < 1 (eg. 0.2)
It display .2 instead of 0.2 (no leading zero).
Any suggestion or other methods?
I know ksh could do floating point calculation
but I am now familiar with ksh.
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