convert a string into a decimal - RUBY

This is a discussion on convert a string into a decimal - RUBY ; I am a new Ruby programmer. I am really amazed with the ease of programming. I seem not to be able to find a solution for the following task. I want to convert an object with the class string into ...

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convert a string into a decimal

  1. Default convert a string into a decimal

    I am a new Ruby programmer. I am really amazed with the ease of
    programming.

    I seem not to be able to find a solution for the following task.

    I want to convert an object with the class string into a object with the
    class fixnum or decimal. So I can store the result in a Decimal(13,2)
    sql field.


    The value of the object string is "100,000,000.00" (including the comma
    and the decimal point.

    Appreciate all the help at for hand!

    Ernst
    --
    Posted via http://www.ruby-forum.com/.


  2. Default Re: convert a string into a decimal

    > a="100000000.00"
    > a.to_f

    => 100000000.0


    Ernst Tanaka wrote:
    > I am a new Ruby programmer. I am really amazed with the ease of
    > programming.
    >
    > I seem not to be able to find a solution for the following task.
    >
    > I want to convert an object with the class string into a object with the
    > class fixnum or decimal. So I can store the result in a Decimal(13,2)
    > sql field.
    >
    >
    > The value of the object string is "100,000,000.00" (including the comma
    > and the decimal point.
    >
    > Appreciate all the help at for hand!
    >
    > Ernst


    --
    Posted via http://www.ruby-forum.com/.


  3. Default Re: convert a string into a decimal

    Paulo Carvalho wrote:
    > > a="100000000.00"
    > > a.to_f

    > => 100000000.0
    >
    >

    Thank you for the quick reaction.

    to_f seems not to be the solution

    a = "13,014,530"
    a.to_f

    >> 13.0



    The result I am looking for is
    13014530


    Thanks again.

    Ernst
    --
    Posted via http://www.ruby-forum.com/.


  4. Default Re: convert a string into a decimal

    Ernst Tanaka wrote:
    > I am a new Ruby programmer. I am really amazed with the ease of
    > programming.
    >
    > I seem not to be able to find a solution for the following task.
    >
    > I want to convert an object with the class string into a object with the
    > class fixnum or decimal. So I can store the result in a Decimal(13,2)
    > sql field.
    >
    >
    > The value of the object string is "100,000,000.00" (including the comma
    > and the decimal point.
    >
    > Appreciate all the help at for hand!
    >
    > Ernst


    irb(main):005:0> "100,000,000.00".gsub(',','_').to_f
    => 100000000.0


    --
    Posted via http://www.ruby-forum.com/.


  5. Default Re: convert a string into a decimal

    Ruby newb incoming:

    Since his string is "100,000,000.00" to_f won't work:

    irb(main):001:0> a = "100,000,000.00"
    => "100,000,000.00"
    irb(main):002:0> a.to_f
    => 100.0

    Only thing I could think of was to gsub! it first and get rid of the commas:

    irb(main):001:0> a = "100,000,000.00"
    => "100,000,000.00"
    irb(main):003:0> a.gsub!(/,/, '')
    => "100000000.00"
    irb(main):004:0> a.to_f
    => 100000000.0

    Any other way?

    Paulo Carvalho wrote:
    > > a="100000000.00"
    > > a.to_f

    > => 100000000.0
    >
    >
    > Ernst Tanaka wrote:
    >
    >> I am a new Ruby programmer. I am really amazed with the ease of
    >> programming.
    >>
    >> I seem not to be able to find a solution for the following task.
    >>
    >> I want to convert an object with the class string into a object with the
    >> class fixnum or decimal. So I can store the result in a Decimal(13,2)
    >> sql field.
    >>
    >>
    >> The value of the object string is "100,000,000.00" (including the comma
    >> and the decimal point.
    >>
    >> Appreciate all the help at for hand!
    >>
    >> Ernst
    >>

    >
    >




  6. Default Re: convert a string into a decimal


    > irb(main):005:0> "100,000,000.00".gsub(',','_').to_f
    > => 100000000.0



    That did the trick! Thanks
    --
    Posted via http://www.ruby-forum.com/.


  7. Default Re: convert a string into a decimal

    Pat George wrote:

    > Any other way?


    a.delete(',').to_f

    Armin
    --
    Posted via http://www.ruby-forum.com/.


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