To graph data, I am using
ledger -J -X € reg ^exp
Hope this helps,
Thierry
On Thursday, January 8, 2015 at 12:53:54 AM UTC+1, Hans Erik van Elburg
wrote:
>
> * ledger -j Error: Cannot convert a balance with multiple commodities to
> an amount
>
> ** symptoms
>
> I wanted to create some output for graphing, using a command like:
>
> ledger -j -X GBP:EUR bal ^exp
>
> But this raises the error "Cannot convert a balance with multiple
> commodities to an amount"
>
> Similar symptoms are described in a very old bug, although in a different
> context:
> http://bugs.ledger-cli.org/show_bug.cgi?id=378
>
> Is this solvable at all? is this the same root cause?
>
> Below some material for reproducing the issue:
>
> ** some transactions
> #+name: transactions_multiple_commodities
> #+begin_src ledger :noweb yes
> P 2013/12/02 17:00:00 GBP €1,2604
>
> C 1,00 EUR = € 1,00
>
> 2013/12/02 ACME
> Expenses:A € 0,01
> Assets
>
> 2014/01/02 ACME
> Expenses:A € 1,00
> Assets
>
> 2014/01/02 ACME
> Expenses:A 1,00 GBP
> Assets
>
> 2014/02/02 ACME
> Expenses:B € 0,01
> Assets
>
> 2014/03/02 ACME
> Expenses:B € 0,02
> Assets
>
> #+end_src
>
> ** a normal register
> #+begin_src ledger :cmdline reg ^exp :noweb yes
> <<transactions_multiple_commodities>>
> #+end_src
>
> #+RESULTS:
> : 13-Dec-02 ACME Expenses:A €
> 0,01 € 0,01
> : 14-Jan-02 ACME Expenses:A 1,00 EUR
> 1,01 EUR
> : 14-Jan-02 ACME Expenses:A 1,00 GBP
> 1,01 EUR
> :
> 1,00 GBP
> : 14-Feb-02 ACME Expenses:B € 0,01
> 1,02 EUR
> :
> 1,00 GBP
> : 14-Mar-02 ACME Expenses:B € 0,02
> 1,04 EUR
> :
> 1,00 GBP
>
> ** the problematic case
>
> #+begin_src ledger :cmdline -j -X GBP:EUR bal ^exp :noweb yes
> <<transactions_multiple_commodities>>
> #+end_src
>
> #+RESULTS:
> : 2015-01-08 0
>
> # error:
> While evaluating value expression:
> quantity(scrub(display_amount))
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> While converting 1,01 EUR
> 1,00 GBP to an amount:
> While calling function 'quantity 1,01 EUR
> 1,00 GBP':
> Error: Cannot convert a balance with multiple commodities to an amount
>
>
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