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This is a very brief README, since things are just beginning and still very
much in flux. First, this document assumes the use of SBCL for now. Other
implementations will be tested soon.
* Installation
The first thing to do is install the prerequisites. You may do this quite
easily using asdf-install (note that if Hunchentoot gives you compilation
error on the file port-sbcl, just select the restart for ACCEPT):
$ sbcl
* (require 'asdf-install)
* (asdf-install:install :cl-ppcre)
* (asdf-install:install :local-time)
* (asdf-install:install :series)
* (quit)
Now you need to pull all of the projects relating to Ledger. Here's what I do
for Mercurial:
$ hg clone http://hg.newartisans.com/ledger
$ hg clone http://hg.newartisans.com/cambl
$ hg clone http://hg.newartisans.com/periods
$ hg clone http://hg.newartisans.com/red-black
The next step is to configure SBCL so it knows where to load ledger from.
Create a file called ~/.sbclrc and add these contents:
;; -*- lisp -*-
(mapc 'require '(asdf asdf-install))
(dolist (project '("red-black/" "cambl/" "periods/" "ledger/"))
(push (merge-pathnames project "/path/to/src/")
asdf:*central-registry*))
Make sure you change /path/to/src/ to be the directory under which you're
keeping all of the Ledger projects. Also, be sure this pathname ends with a
slash! In CL, directory names always end with/
Now you can run Ledger at the REPL like this:
$ sbcl
* (require 'asdf)
* (asdf:oos 'asdf:load-op :cl-ledger)
This compiles and loads the Ledger core, and also the textual parser package,
for parsing standard Ledger text files (other parser packages soon to come).
* Basic commands
Once in the REPL, try out this command:
* (ledger:register-report "/path/to/src/ledger/doc/sample.dat")
You should see a register printed representing the contents of sample.dat.
You can constrain this report using keyword modifiers:
* (ledger:register-report "/path/to/src/ledger/doc/sample.dat"
:account "books")
Ledger only reads the file past on the first run, and if it changes, so feel
free to repeat the same command several times even for large journal filse.
The following reports are supported:
* (ledger:register-report "/path/to/src/ledger/doc/sample.dat" [OPTIONS])
* (ledger:balance-report "/path/to/src/ledger/doc/sample.dat" [OPTIONS])
* (ledger:print-report "/path/to/src/ledger/doc/sample.dat" [OPTIONS])
* (ledger:equity-report "/path/to/src/ledger/doc/sample.dat" [OPTIONS])
* (ledger:derive-entry "/path/to/src/ledger/doc/sample.dat" [OPTIONS])
As for OPTIONS, any of the following keyword pairs is allowed. There are some
extra options allowed for `derive-entry', for which please see below.
:account "REGEXP" :not-account "REGEXP"
:payee "REGEXP" :not-payee "REGEXP"
:note "REGEXP" :not-note "REGEXP"
:begin "YYYY/MM/DD"
:end "YYYY/MM/DD"
:range "RANGE EXPRESSION" ; a range expression, like "this month"
:period "PERIOD EXPRESSION" ; like "every month this year"
:expr "VALUE-EXPR" ; most Ledger 2.x value exprs allowed
:limit "VALUE-EXPR" ; the same as 2.x's --limit or -l
; this is a convenience alias for :expr
:only "VALUE-EXPR" ; the same as 2.x's --only
:display "VALUE-EXPR" ; the same as 2.x's -d or --display
:status KEYWORD ; only report transactions whose status
; is :CLEARED, :PENDING or :UNCLEARED
:sort "VALUE-EXPR" ; sort based on VALUE-EXPR calculation
:no-total BOOL ; don't show totals
:collapse BOOL ; collapse multiline entries
:subtotal BOOL ; group all transactions by account
:invert BOOL ; negate all transaction values
; (same as saying :amount "-a")
:related BOOL ; show "other" transactions of each entry
:lots BOOL ; show all commodity lot information
:lot-prices BOOL ; show commodity lot prices
:lot-dates BOOL ; show commodity lot dates
:lot-tags BOOL ; show commodity lot tags
:amount "VALUE-EXPR" ; use EXPR as the transaction amount
; when computing the running total
:total "VALUE-EXPR" ; use EXPR to compute the running total
Here's a quick table for translating Ledger 2.6.1 options into their
corresponding CL-Ledger keywords:
Short option Long option CL-Ledger keyword
------------ -------------------- ---------------------
-b ARG --begin ARG :begin ARG
-e ARG --end ARG :end ARG
-p ARG --period ARG :period ARG
-l ARG --limit ARG :limit ARG
--only ARG :only ARG
-d ARG --display ARG :display ARG
-n :no-total t <-- for balances
-n --collapse :collapse t
-r --related :related t
-s --subtotal :subtotal t
-S EXPR --sort ARG :sort ARG
--sort-entries ARG :sort-entries ARG
-t EXPR
* Options to `derive-entry'
The reporting command `derive-entry' takes some special options. Here is the
docstring for derive-entry:
The DERIVE-ENTRY report uses Ledger to intelligently create a new entry for
you. The possible keywords arguments are:
:DATE <DATE-STRING>
:PAYEE <REGEXP>
:ACCOUNT <REGEXP>
:BALANCE-ACCOUNT <REGEXP>
:AMOUNT <VALUE-STRING>
:APPEND <BOOLEAN>
Except for :PAYEE, all of these keyword arguments are optional. Here is what
they mean:
:PAYEE REGEXP
Find the most recent entry whose payee matches REGEXP, and base the new
entry derivation on its details. If no matching entry can be found, the
payee of the newly created entry will exactly match REGEXP.
:DATE DATE-STRING
The date of the new entry will be DATE-STRING, otherwise it is today.
:ACCOUNT REGEXP
Set the first account line in the new entry to be the most recently used
account which matches REGEXP. If no such account can be found, an account
named REGEXP is used. If no account is specified, the account
"Expenses:Unknown" is used.
:BALANCE-ACCOUNT REGEXP
Like :ACCOUNT, except this refers to the account used for the second
transaction in the newly derived entry. If not specified, a calculated
"balance account" is looked for in the matching entry; if this does not
apply, the journal's default account is used; if this does not apply, the
account "Asets:Unknown" is used.
:AMOUNT VALUE-STRING
The amount of the first transaction. If it has no commodity, the
correlated commodity from the discovered entry is used.
:APPEND BOOLEAN
If non-NIL, the new entry is written to the same journal where the
matching entry was found (for a binder that references many journals, this
is whichever file the discovered entry was in).
Here are a few examples, using sample.dat as a reference:
(ledger:derive-entry "doc/sample.dat" :payee "book")
=>
2007/12/04 Book Store
Expenses:Books $20.00
Liabilities:MasterCard
(ledger:derive-entry :payee "book" :amount "$125")
=>
2007/12/04 Book Store
Expenses:Books $125.00
Liabilities:MasterCard
(ledger:derive-entry :payee "Hello World")
=>
2007/12/04 Hello World
Expenses:Unknown
Assets:Unknown
(ledger:derive-entry :date "2004/01/01" :payee "Hello World")
=>
2004/01/01 Hello World
Expenses:Unknown
Assets:Unknown
(ledger:derive-entry :payee "book" :account "equ")
=>
2007/12/04 Book Store
Equity:Opening Balances $20.00
Liabilities:MasterCard
(ledger:derive-entry :payee "book" :account "Who Knows")
=>
2007/12/04 Book Store
Who Knows $20.00
Liabilities:MasterCard
(ledger:derive-entry :payee "book" :balance-account "bank")
=>
2007/12/04 Book Store
Expenses:Books $20.00
Assets:Bank:Checking
(ledger:derive-entry :payee "book" :account "liab"
:balance-account "bank")
=>
2007/12/04 Book Store
Liabilities:MasterCard $-20.00
Assets:Bank:Checking
(ledger:derive-entry :payee "book" :account "bank" :amount 50)
=>
2007/12/04 Book Store
Assets:Bank:Checking $50.00
Liabilities:MasterCard
(ledger:derive-entry :payee "book" :account "bank" :amount "$125")
=>
2007/12/04 Book Store
Assets:Bank:Checking $125.00
Liabilities:MasterCard
* Binder caching
After the call to `read-binder', the variable `*last-binder*' contains the
contents of what was read. From that point forward, if no binder or string is
passed to the reporting function, they will assume you wish to report on the
contents of `*last-binder*'.
* HTTP interface
If you prefer to use the HTTP interface, just cd to where you have Ledger
pulled and type "make". If this works, you can quit, then type "make core" to
build a core file just for the Ledger web server. After it's built, type
"make" to run the server using the core. Once a core is built, Ledger should
start up in a split second.
* Implementations status
Here is how Ledger stands up against current Lisp implementations, in order of
how frequently I use them:
SBCL 1.0.12.17 WORKS
LispWorks 5.02 Personal WORKS
Allegro CL 8.1 Express Fails to compile CL-FAD (where is :OSI?)
Clozure CL 2007-12-07 Fails to compile LOCAL-TIME
OpenMCL 2007-07-22 Fails to compile LOCAL-TIME
ECL 2007-12-07 Fails to compile SERIES
ABCL 0.0.10 Fails to compile SERIES
CLISP 2.43 Fails to compile RED-BLACK
CMUCL 19d (2007-11) Fails to compile PERIODS
GCL 2.6.7 <unable to build so far>
* In closing
That's it for now, expect more in this file as things progress!
John Wiegley
2007/11/17
p.s. For fans of the SERIES library, you can apply `scan-transactions' or
`scan-entries' to a binder/account/journal/entry in order to produce
a SERIES of the corresponding type. Example:
(collect (ledger:scan-transactions
(ledger:read-journal "doc/sample.dat")))
=> [a list of all transactions, in sequence, within sample.dat]
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