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perform floating point calculations in bash

May 1st, 2007 by


turns out floating point division (or any other type of floating point math) isn’t built-into the bash shell.  instead, you’ll have to use the bc utility:

echo “6.0/10″ | bc -l

Posted in Shell Scripting | 3 Comments »


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3 Responses to “perform floating point calculations in bash”

  1. on 07 Jun 2007 at 4:47 pm   Forrest

    echo ’4*a(1)’ | bc -l

  2. on 10 May 2011 at 5:17 am   mcb

    Thanks, it is working

    $ echo ’4*a(1)’ | bc -l
    3.14159265358979323844
    $

  3. on 25 Nov 2011 at 7:30 am   Vinod

    Thanks you so much. Was delighted after seeing this.

    Thanks you Jesus

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