mirror of
https://github.com/simonmichael/hledger.git
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85 lines
3.0 KiB
Plaintext
85 lines
3.0 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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* 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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