imp: close: doc: rewrite manual (#1604)

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Simon Michael 2021-07-11 13:41:04 -10:00
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close, equity\
Prints a "closing balances" transaction and an "opening balances" transaction
that bring account balances to and from zero, respectively.
These can be added to your journal file(s), eg to bring
asset/liability balances forward into a new journal file, or to
close out revenues/expenses to retained earnings at the end of a period.
Prints a sample "closing" transaction bringing specified account balances to zero,
and an inverse "opening" transaction restoring the same account balances.
If like most people you split your journal files by time, eg by year:
at the end of the year you can use this command to "close out" your
asset and liability (and perhaps equity) balances in the old file, and reinitialise them in the new file.
This helps ensure that report balances remain correct whether you are including old files or not.
(Because all closing/opening transactions except the very first will cancel out - see example below.)
Some people also use this command to close out revenue and expense balances at the end of an accounting period.
This properly records the period's profit/loss as "retained earnings" (part of equity),
and allows the accounting equation (A-L=E) to balance,
which you could then check by the [bse](#balancesheetequity) report's zero total.
_FLAGS
You can print just one of these transactions by using the `--close` or `--open` flag.
You can customise their descriptions with the `--close-desc` and `--open-desc` options.
You can print just the closing transaction by using the `--close` flag,
or just the opening transaction with the `--open` flag.
One amountless posting to "equity:opening/closing balances" is added
to balance the transactions, by default.
You can customise this account name with `--close-acct` and `--open-acct`;
if you specify only one of these, it will be used for both.
Their descriptions are `closing balances` and `opening balances` by default;
you can customise these with the `--close-desc` and `--open-desc` options.
With `--x/--explicit`, the equity posting's amount will be shown.
And if it involves multiple commodities, a posting for each commodity
will be shown, as with the print command.
Just one balancing equity posting is used by default, with the amount left implicit.
The default account name is `equity:opening/closing balances`.
You can customise the account name(s) with `--close-acct` and `--open-acct`.
(If you specify only one of these, it will be used for both.)
With `--interleaved`, the equity postings are shown next to the
postings they balance, which makes troubleshooting easier.
With `--x/--explicit`, the equity posting's amount will be shown explicitly,
and if it involves multiple commodities, there will be a separate equity posting for each commodity
(as in the print command).
By default, transaction prices in the journal are ignored when
generating the closing/opening transactions.
With `--show-costs`, this cost information is preserved
(`balance -B` reports will be unchanged after the transition).
Separate postings are generated for each cost in each commodity.
Note this can generate very large journal entries, if you have many
foreign currency or investment transactions.
With `--interleaved`, each equity posting is shown next to the posting it balances
(good for troubleshooting).
### close usage
### close and prices
If you split your journal files by time (eg yearly), you will
typically run this command at the end of the year, and save the
closing transaction as last entry of the old file, and the opening
transaction as the first entry of the new file.
This makes the files self contained, so that correct balances are
reported no matter which of them are loaded. Ie, if you load just one
file, the balances are initialised correctly; or if you load several
files, the redundant closing/opening transactions cancel each other
out. (They will show up in print or register reports; you can exclude
them with a query like `not:desc:'(opening|closing) balances'`.)
Transaction prices are ignored (and discarded) by closing/opening transactions, by default.
With `--show-costs`, they are preserved;
there will be a separate equity posting for each cost in each commodity.
This means `balance -B` reports will look the same after the transition.
Note if you have many foreign currency or investment transactions,
this will generate very large journal entries.
If you're running a business, you might also use this command to
"close the books" at the end of an accounting period, transferring
income statement account balances to retained earnings. (You may want
to change the equity account name to something like
"equity:retained earnings".)
### close date
By default, the closing transaction is dated yesterday, the balances
are calculated as of end of yesterday, and the opening transaction is dated today.
To close on some other date, use: `hledger close -e OPENINGDATE`.
Eg, to close/open on the 2018/2019 boundary, use `-e 2019`.
You can also use -p or `date:PERIOD` (any starting date is ignored).
The default closing date is yesterday, or the journal's end date, whichever is later.
Both transactions will include balance assertions for the
closed/reopened accounts. You probably shouldn't use status or
realness filters (like -C or -R or `status:`) with this command, or
the generated balance assertions will depend on these flags.
Likewise, if you run this command with --auto, the balance assertions
will probably always require --auto.
Unless you are running `close` on exactly the first day of the new period,
you'll want to override the closing date.
This is done by specifying a [report period](#report-start--end-date),
where "last day of the report period" will be the closing date.
The opening date is always the following day.
So to close on 2020-12-31 and open on 2021-01-01, any of these work
Examples:
- `-p 2020`
- `date:2020`
- `-e 2021-01-01` (remember `-e` specifies an exclusive end date)
- `-e 2021`
Carrying asset/liability balances into a new file for 2019:
### Example: close asset/liability accounts for file transition
Carrying asset/liability balances from 2020.journal into a new file for 2021:
```shell
$ hledger close -f 2018.journal -e 2019 assets liabilities --open
# (copy/paste the output to the start of your 2019 journal file)
$ hledger close -f 2018.journal -e 2019 assets liabilities --close
# (copy/paste the output to the end of your 2018 journal file)
$ hledger close -f 2020.journal -p 2020 assets liabilities
# copy/paste the closing transaction to the end of 2020.journal
# copy/paste the opening transaction to the start of 2021.journal
```
Now:
Or:
```shell
$ hledger bs -f 2019.journal # one file - balances are correct
$ hledger bs -f 2018.journal -f 2019.journal # two files - balances still correct
$ hledger bs -f 2018.journal not:desc:closing # to see year-end balances, must exclude closing txn
$ hledger close -f 2020.journal -p 2020 assets liabilities --open >> 2021.journal # add 2021's first transaction
$ hledger close -f 2020.journal -p 2020 assets liabilities --close >> 2020.journal # add 2020's last transaction
```
Transactions spanning the closing date can complicate matters, breaking balance assertions:
Now,
```shell
$ hledger bs -f 2021.journal # just new file - balances correct
$ hledger bs -f 2020.journal -f 2021.journal # old and new files - balances correct
$ hledger bs -f 2020.journal # just old files - balances are zero ?
# (exclude final closing txn, see below)
```
### Hiding opening/closing transactions
Although the closing/opening transactions cancel out, they will be visible in reports like `print` and `register`,
creating some visual clutter. You can exclude them all with a query, like:
```shell
$ hledger print not:desc:'opening|closing' # less typing
$ hledger print not:'equity:opening/closing balances' # more precise
```
But when reporting on multiple files, this can get a bit tricky;
you may need to keep the earliest opening balances, for a historical register report;
or you may need to suppress a closing transaction, to see year-end balances.
If you find yourself needing more precise [queries](#queries), here's one solution:
add more easily-matched tags to opening/closing transactions, like this:
```journal
2018/12/30 a purchase made in 2018, clearing the following year
; 2019.journal
2019-01-01 opening balances ; earliest opening txn, no tag here
...
2019-12-31 closing balances ; close:2019
...
```
```journal
; 2020.journal
2020-01-01 opening balances ; open:2020
...
2020-12-31 closing balances ; close:2020
...
```
```journal
; 2021.journal
2021-01-01 opening balances ; open:2021
...
```
Now with
```journal
; all.journal
include 2019.journal
include 2020.journal
include 2021.journal
```
you could do eg:
```shell
$ hledger -f all.journal reg -H checking not:tag:'open|close'
# all years checking register, hiding non-essential opening/closing txns
$ hledger -f all.journal bs -p 2020 not:tag:close=2020
# 2020 year end balances, suppressing 2020 closing txn
$ hledger -f 2020.journal bs not:tag:close
# 2020 year end balances, easier case
```
### close and balance assertions
The closing and opening transactions will include balance assertions,
verifying that the accounts have first been reset to zero and then restored to their previous balance.
These provide valuable error checking, alerting you when things get out of line,
but you can ignore them temporarily with `-I` or just remove them if you prefer.
You probably shouldn't use status or realness filters (like -C or -R or `status:`) with `close`,
or the generated balance assertions will depend on these flags.
Likewise, if you run this command with `--auto`, the balance assertions would probably always require `--auto`.
Multi-day transactions (where some postings have a different date) break the balance assertions,
because the money is temporarily "invisible" while in transit:
```journal
2020/12/30 a purchase made in december, cleared in the next year
expenses:food 5
assets:bank:checking -5 ; [2019/1/2]
assets:bank:checking -5 ; date: 2021/1/2
```
Here's one way to resolve that:
To fix the assertions, you can add a temporary account to track such in-transit money
(splitting the multi-day transaction into two single-day transactions):
```journal
; in 2018.journal:
2018/12/30 a purchase made in 2018, clearing the following year
; in 2020.journal:
2020/12/30 a purchase made in december, cleared in the next year
expenses:food 5
liabilities:pending
; in 2019.journal:
2019/1/2 clearance of last year's pending transactions
; in 2021.journal:
2021/1/2 clearance of last year's pending transactions
liabilities:pending 5 = 0
assets:checking
assets:bank:checking
```
### Example: close revenue/expense accounts to retained earnings
Here, the opening transaction is supressed with `--close`, as it's probably not needed.
Also you'll want to use a different equity account name:
```shell
$ hledger close -f 2021.journal -p 2021Q1 --close --close-acct='equity:retained earnings' revenues expenses >> 2021.journal
# close 2021 first quarter revenues/expenses
```
Or, operating on the default journal:
```shell
$ hledger close -p Q1 --close --close-acct='equity:retained earnings' revenues expenses >> $LEDGER_FILE
# close current year's first quarter revenues/expenses
```
Now, eg:
```shell
$ hledger bse -p Q1
# Q1 full balance sheet, total should be zero
$ hledger is -p Q1 not:'retained earnings'
# Q1 income statement, must suppress the closing txn
```