hledger/NOTES

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2007-08-04 18:51:45 +04:00
hledger project notes & ideas
2007-07-02 18:36:58 +04:00
2007-08-04 18:51:45 +04:00
"...simplicity of design was the most essential, guiding principle.
Clarity of concepts, economy of features, efficiency and reliability of
implementations were its consequences." --Niklaus Wirth
* to do
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** bugs
*** balance reports & filtering are quirky/broken/different from ledger
*** register doesn't filter
** release 0.1
*** cabal upload
*** haskell-cafe/ledger announce
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** ledger features
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*** handle right-hand currency symbols
*** -C
*** negative patterns
*** darcs-style--version
*** ledger 2.6-style elision
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*** full per-currency precision & thousands separator handling
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*** handle mixed-currency amounts
*** more speed
*** other ledger 2.6 features
**** !include
**** -d display expressions
**** -j and -J graph data output
**** read gnucash files
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** new features
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*** multiple -f
*** alternate easier command-line ui
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*** alternate timelog format
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*** show in/out times in timelog entry descriptions
*** graphs
*** smart data entry
*** timeclock.el features
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*** better layout
** testing
*** better use of quickcheck/smallcheck
http://blog.codersbase.com/2006/09/01/simple-unit-testing-in-haskell/
*** ledger compatibility tests
** documentation
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*** literate manual
*** differences/issues
**** ledger does not support -f- (without space)
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**** ledger shows description comments as part of description, we do the same
**** ledger does not sort register by date
**** ledger can show wrong output due to thousands separators
**** ledger balance with an account pattern shows a redundant total
**** hledger does not choose symbol separation, thousands separators, and precision based on first entry of each currency
(currently: chooses precision for all currencies based on first entry)
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**** hledger does not track currency/precision in as much detail
**** hledger ignores automated/periodic entries
**** hledger shows .00
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* things I want to know
** time
where have I been spending my time in recent weeks ?
where have I spent my time today ?
what is my status wrt spending plan for this week/month/year ?
what is my current status wrt time spending goals ?
** money
where have I been spending my money ?
what is my status wrt spending plan for this week/month/year ?
what is my current status wrt spending/savings goals ?
what are all my current balances ?
what does my balance history look like ?
what does my balance future look like ?
are there any cashflow, tax, budgetary problems looming ?
2008-05-27 01:13:54 +04:00
** charts
[1:27pm] <sm> I have decided I am not getting enough visible day-to-day value out of my ledger, I need more of that to stay motivated
[1:27pm] <Nafai> What do you think will help in that?
[1:27pm] <sm> I think some simple self-updating charts, or even good reports in a visible place
[1:28pm] <sm> something I don't have to spend an hour fiddling with to get answers
[1:38pm] <sm> Nafai: identifying/designing some useful reports/charts seems to be blocking me
[1:39pm] <sm> there are probably some standard ones I should use
[1:40pm] <sm> a graph of daily net worth is probably one of the simplest
[1:58pm] <sm> what else.. a chart of weekly expenses in key categories
[1:58pm] <sm> ditto, monthly
[1:58pm] <sm> a chart of monthly income
[1:59pm] <sm> those three should help me be more clear about cashflow status
[2:00pm] <sm> also I'd like something that shows me how much I am on top of financial tracking - how current my numbers are, when last reconciled etc - at a glance
[2:01pm] <sm> another simple one: current balances in all accounts
[2:01pm] <sm> those would be a great start
[2:04pm] <sm> daily net worth, weekly expense, monthly expense, monthly income, confidence/currentness report, and balance report
[2:05pm] <sm> let's see, which of those 6 would give most payoff right now
[2:05pm] <sm> probably 5
[2:06pm] <sm> how could I measure that ?
[2:06pm] <sm> number of days since last ledger entry..
[2:06pm] <sm> number of ledger entries in last 30 days (compared to average)
[2:07pm] <sm> number of days since last cleared checking entry (indicating an online reconcile)
[2:08pm] <sm> those would be a good start. How do I make those visual
[2:09pm] <sm> well I guess the first step is a script to print them
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* misc
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** compare other languages! a parser generator and decent speed is required
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*** python: http://cheeseshop.python.org/pypi/ZestyParser, pysec, pyparsing
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*** squeak: LanguageGame, T-Gen, SmaCC
*** lisp: ?
*** ruby: too slow (?)
** data representation
*** http://www.python.org/dev/peps/pep-0327/
*** http://www.n-heptane.com/nhlab/repos/Decimal/
*** http://www.n-heptane.com/nhlab/repos/Decimal/Money.hs
*** http://www2.hursley.ibm.com/decimal/
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*** import hierarchy
"Parse"
"TimeLog"
"Ledger"
"Account"
"Transaction"
"RawLedger"
"LedgerEntry"
"RawTransaction"
"AccountName"
"Amount"
"Currency"
"Types"
"Utils"