110 lines
4.7 KiB
Plaintext
110 lines
4.7 KiB
Plaintext
hledger project notes & ideas
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"...simplicity of design was the most essential, guiding principle.
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Clarity of concepts, economy of features, efficiency and reliability of
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implementations were its consequences." --Niklaus Wirth
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* to do
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** TODO bugs/cleanup
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*** no total in filtered balance report
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*** register pat doesn't filter transactions
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*** two acct patterns broken
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*** better encapsulation/layering
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**** above/below cacheLedger ?
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** ledger features
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*** handle arbitrary precision accurately
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*** handle non-convertible currencies
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*** handle time logs
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**** fix timelog parser
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**** handle time amounts
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switch to Data.Time.*
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fix errors
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- read seconds to pico
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try System.Time ?
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*** - account/description patterns
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*** -p period expressions
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*** !include
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*** -j and -J graph data output
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*** more speed
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*** full per-currency precision & thousands separator handling
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*** ledger 3-style elision
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*** -d display expressions
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*** read gnucash files
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*** other ledger 3 features
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*** single space before currency can parse as an auto transaction
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** new features
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*** alternate timelog format
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*** infer clock-out
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*** graph automation
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*** entry and smart data entry
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*** incorporate timeclock features
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*** better layout
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** testing
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*** better use of quickcheck/smallcheck
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http://blog.codersbase.com/2006/09/01/simple-unit-testing-in-haskell/
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*** ledger compatibility tests
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** documentation
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*** literate manual
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*** better use of haddock
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*** differences/issues
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**** ledger does not support -f- (without space)
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**** ledger shows description comments as part of description, we do the same
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**** ledger does not sort register by date
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**** ledger can show wrong output due to thousands separators
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**** ledger balance with an account pattern shows a redundant total
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**** hledger does not choose symbol separation, thousands separators, and precision based on first entry of each currency
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(currently: chooses precision for all currencies based on first entry)
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**** hledger does not parse automated/periodic entries except at start of file
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* things I want to know
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** time
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where have I been spending my time in recent weeks ?
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where have I spent my time today ?
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what is my status wrt spending plan for this week/month/year ?
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what is my current status wrt time spending goals ?
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** money
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where have I been spending my money ?
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what is my status wrt spending plan for this week/month/year ?
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what is my current status wrt spending/savings goals ?
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what are all my current balances ?
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what does my balance history look like ?
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what does my balance future look like ?
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are there any cashflow, tax, budgetary problems looming ?
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** charts
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[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
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[1:27pm] <Nafai> What do you think will help in that?
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[1:27pm] <sm> I think some simple self-updating charts, or even good reports in a visible place
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[1:28pm] <sm> something I don't have to spend an hour fiddling with to get answers
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[1:38pm] <sm> Nafai: identifying/designing some useful reports/charts seems to be blocking me
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[1:39pm] <sm> there are probably some standard ones I should use
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[1:40pm] <sm> a graph of daily net worth is probably one of the simplest
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[1:58pm] <sm> what else.. a chart of weekly expenses in key categories
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[1:58pm] <sm> ditto, monthly
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[1:58pm] <sm> a chart of monthly income
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[1:59pm] <sm> those three should help me be more clear about cashflow status
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[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
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[2:01pm] <sm> another simple one: current balances in all accounts
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[2:01pm] <sm> those would be a great start
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[2:04pm] <sm> daily net worth, weekly expense, monthly expense, monthly income, confidence/currentness report, and balance report
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[2:05pm] <sm> let's see, which of those 6 would give most payoff right now
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[2:05pm] <sm> probably 5
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[2:06pm] <sm> how could I measure that ?
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[2:06pm] <sm> number of days since last ledger entry..
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[2:06pm] <sm> number of ledger entries in last 30 days (compared to average)
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[2:07pm] <sm> number of days since last cleared checking entry (indicating an online reconcile)
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[2:08pm] <sm> those would be a good start. How do I make those visual
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[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
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*** lisp: ?
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*** ruby: too slow (?)
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** data representation
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*** http://www.python.org/dev/peps/pep-0327/
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*** http://www.n-heptane.com/nhlab/repos/Decimal/
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*** http://www.n-heptane.com/nhlab/repos/Decimal/Money.hs
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*** http://www2.hursley.ibm.com/decimal/
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