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journal: doc updates for aliases corrupting account names (#1788)

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Simon Michael 2021-12-22 15:08:01 -10:00
parent 9c173bc18b
commit 713f7eab65
2 changed files with 11 additions and 10 deletions
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2
hledger/Hledger/Cli/Commands/Print.md
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@ -58,7 +58,7 @@ There are some situations where print's output can become unparseable:
- [Valuation](#valuation) affects posting amounts but not [balance assertion](#balance-assertions) or [balance assignment](#balance-assignments) amounts, potentially causing those to [fail](https://github.com/simonmichael/hledger/issues/1429). - [Valuation](#valuation) affects posting amounts but not [balance assertion](#balance-assertions) or [balance assignment](#balance-assignments) amounts, potentially causing those to [fail](https://github.com/simonmichael/hledger/issues/1429).
- [Auto postings](#auto-postings) can generate postings with [too many missing amounts](https://github.com/simonmichael/hledger/issues/1276). - [Auto postings](#auto-postings) can generate postings with [too many missing amounts](https://github.com/simonmichael/hledger/issues/1276).
- [Account aliases can generate invalid account names](#account-aliases-can-generate-invalid-account-names). - [Account aliases can generate bad account names](#account-aliases-can-generate-bad-account-names).
Normally, the journal entry's explicit or implicit amount style is preserved. Normally, the journal entry's explicit or implicit amount style is preserved.
For example, when an amount is omitted in the journal, it will not appear in the output. For example, when an amount is omitted in the journal, it will not appear in the output.

19
hledger/hledger.m4.md
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@ -3281,11 +3281,11 @@ with this directive:
end aliases end aliases
``` ```
### Aliases can generate invalid account names ### Aliases can generate bad account names
Be aware that account aliases can produce malformed account names, Be aware that account aliases can produce malformed account names,
which could cause confusing reports or and invalid [`print`](#print) output. which could cause confusing reports or invalid [`print`](#print) output.
Two examples: you can erase an account name: For example, you could erase all account names:
```journal ```journal
2021-01-01 2021-01-01
@ -3293,14 +3293,15 @@ Two examples: you can erase an account name:
b b
``` ```
```shell ```shell
$ hledger -f- print --alias '/a:.*/=' $ hledger print --alias '/.*/='
2021-01-01 2021-01-01
1 1
b
``` ```
or insert an illegal double space, causing part of the account name The above `print` output is not a valid journal.
to be treated as part of the amount if reparsed: Or you could insert an illegal double space, causing `print` output
that would give a different journal when reparsed:
```journal ```journal
2021-01-01 2021-01-01
@ -3308,7 +3309,7 @@ to be treated as part of the amount if reparsed:
other other
``` ```
```shell ```shell
$ hledger -f- --alias old="new USD" print | hledger -f- print $ hledger print --alias old="new USD" | hledger -f- print
2021-01-01 2021-01-01
new USD 1 new USD 1
other other