[Chicken-users] Help with columnar formatting in the fmt egg

[Christian Kellermann]

Hi!

I would like to ask some help for finding the right fmt expression to
print entries formatted as like this:

2015-11-20 foo bar baz... Some·Label   Some·Other·Label
                             -123.23            -100.00
                                      Yet·Another·Label
                                                 -23.23

The hard part is obviously the last columns. Both are fed in a list of
entries consisting of (label amount).  All positive amounts should be
printed in the first column the negative ones in the second.

Note that the labels should be left aligned and the amounts as well.

What I have tried so far are combinations of columnar and tabular but
none of these seem to do the alignment or laying out the column widths
correctly.

Do you know a way to achieve the above?

Kind regards,

Christian

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