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| -rw-r--r-- | NEWS | 169 |
1 files changed, 42 insertions, 127 deletions
@@ -1,67 +1,62 @@ - Ledger NEWS * 2.0 - The code base was rewritten for clarity and consistency. It is now - simpler, more robust, and faster. - -- The most significant feature addition in this version is the use of - "value expressions". These are now used in many places to indicate - what to display, the sorting order, and even the output format. + simpler internally, more robust, and much faster. - A value expression is a simple string that uses one letter codes to - indicate transaction, entry and account details. Logic and math - operators are supported, as well as a few useful functions. See the - README. +- The most significant feature added are "value expressions". They + are used in several places to indicate what to display, sorting + order, output format, etc. Logic and math operators are supported, + as well as a few functions. See the documentation for more info. - If the environment variable LEDGER (or LEDGER_FILE) is used, a - binary cache of that ledger will be kept in ~/.ledger (or + binary cache of that ledger is now kept in ~/.ledger (or LEDGER_CACHE), to speed up later queries of the same data. This happens only when "-f" or "--file" is not used. - New options: - "-o FILE" outputs data to the given FILE. If "-", the output is the - same as the default (stdout). + "-o FILE" outputs data to FILE. If "-", output goes to stdout. - -j and -J options replace previous -G (gnuplot) option. -j reports - the values column in a way gnuplot can consume, and -J reports the - totals column. An example can be found in scripts/report. + -j and -J options replace the previous -G (gnuplot) option. -j + reports the values column in a way gnuplot can consume, and -J, the + totals column. An example is in scripts/report. - "-y DATEFMT" changes the date format used in register reports. The + "-y DATEFMT" changes the date format used for register reports. The default is "%Y/%m/%d". - -Y and -W print yearly and weekly subtotals, just as the -M option - printed monthly subtotals in the previous version. - -w shows cumulative totals for each of the days of the week. + -Y and -W print yearly and weekly subtotals, just as -M prints + monthly subtotals. --dow shows cumulative totals for each day of + the week. - "-z INTERVAL" allows more flexible interval reporting. The - sublanguage used will probably mature over time, but for now it + "-z INTERVAL" allows for more flexible interval reporting. The + sublanguage used will likely mature over time, but for now it supports expression like: monthly every week every 3 quarters weekly from 12/20 + monthly in 2003 - -O shows base values (this is the default, and old behavior) + -O shows base values (this is the default, and old, behavior) -B shows basis cost of commodities - -V show market value of commodities - -G reports net gain/loss (shows commodity changes only) + -V shows the market value of commodities + -G reports net gain/loss -A reports average value (arithmetic mean) - -D reports deviation from the average value + -D reports deviation from the average -X reports the trend (average rate of change) -Z reports the trend, with older values affecting the trend less -- Regexps specified after the command name now apply to account names - only. To search on a payee, use "--" to separate the two kinds of - regexps. For example, to find a payee named "John" within all - Expenses accounts, use: +- Regexps given directly after the command name now apply to account + names only. To search on a payee, use "--" to separate the two + kinds of regexps. For example, to find a payee named "John" within + all Expenses accounts, use: ledger register expenses -- john - FYI: The above command is identical (and internally converted) to: + Note: The above command is identical (and internally converted) to: ledger -l "/expenses/|//john/" register @@ -71,25 +66,27 @@ !include FILE @@ - All entries specified within the "@ ACCOUNT/@@" range will be added - under that account. + Entries specified within "@ ACCOUNT/@@" will affect only that + account. -- Register reports now show the account being changed. Use the -r - option to see "other accounts" -- or the account the credit/debit - came from. (This was the old behavior in 1.x, but can lead to - confusing reports when viewing accounts with subaccounts.) The -r - option also works for balance reports, where it will show all the - account totals related to your query. +- Register reports now show only the account affected by default. Use + "-r" to see "related accounts" -- the account the transfer came from + or went to. (This was the old behavior in 1.x, but leads to + confusing reports when viewing reports within subaccounts.) The + "-r" option also works with balance reports, where it shows all + amounts related to your query. -- Automated transactions now use a single value expression as a - predicate. This means the new syntax is: +- Automated transactions now use value expressions as their predicate. + The new syntax is: = VALUE-EXPR TRANSACTIONS... Only one VALUE-EXPR is supported, compared to the multiple account - regexps supported before. By using a VALUE-EXPR as a predicate, - matching may now be much more comprehensive and selective. + regexps supported before. However, since value expression allow for + logic chaining, there is no loss in functionality. Also, by using a + VALUE-EXPR as a predicate, matching may be much more comprehensive + and selective. - The use of "+" and "-" in ledger files (to specify permanent regexps) has been removed. @@ -97,90 +94,8 @@ - -l now takes a value expression as the "calculation predicate". To mimic the old behavior of "-l \$100", use: -d "AT<{\$100}" -- The -S flag takes a value expression string, which yields the value - that will be sorted on. - ----------------------------------------------------------------------- - -- Value expressions are now supported, where the totals reported can - be changed using -t and -T and an expression string composed of: - - a amount - B current balance - T amount total (B + a) - c cost - C cost total - v market value(amount, date) - V total market value(amount total, date) - g net gain (v - c) - G total net gain (V - C) - d date (in seconds past the epoch) - i index (within the report) - o item age = date - report begin date - w item newness = report end date - date - - b report begin date - e report end date - - P(x,y) market price of x at time y (i.e., V = p(A,d)) - Mx total arthmetic of x (x/n) - Bx deviation = a - x - Ax absolute (positive) value of x - {x} parse x as a ledger amount - /s/ 1 if full account name matches s - - in precedence order: - -?[0-9]*.[0-9]+ numerical constants - binary operators: * / - binary operators: + - - comparison operators: = < <= > >= - logical operators: ! & | - (x) parenthetical grouping - - The standard reports are therefore implemented as: - - -O == -t a -T A - -B == -t c -T C - -V == -t c -T V - -G == -t g -T G - -A == -t a -T MA - -D == -t a -T DMA - -T == -t a -T MDMA - -W == -t a -T MD(MA*(d-b/e-b)) - -X == -t a -T a+MD(MA*(d-b/e-b)) - -- User-specified format strings are supported with a -F option. The - strings are very much like printf format strings, with the following - syntax for each substitution: - - %?-m.MX - - Each part of the above except for X is optional, and means: - - ? field is blank if reporting on a "subsequent line" (within - the register report, when viewing splits) - - left justify field (default is right) - m minimum width of the field - . indicates that a maximum width is being specified - M maximum width of the field; values are truncated to fit - - And where X may be any one of: - - % self-insert - d same as %[%Y/%m/%d] - [datefmt] pass 'datefmt' to strftime for the entry - p the payee - a the custom account name (report dependent) - n the real account name (balance report only) - N full account name (balance report only) - t whatever the specified value expression is - T whatever the specified total expression is - (expr) insert an arbitrary style expression - - The default format for the register and balance reports are: - - %?10d %?-.20p %-.22a %12.66t %12.80T - %20T %-a +- The -S flag now takes a value expression as the sorting criteria. + To sort on the amount, use -S T (balance) or -S t (register). * 1.7 |