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;doc: Config files: rewrite

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Simon Michael 2024-09-07 08:48:50 +01:00
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hledger/hledger.m4.md
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@ -521,25 +521,46 @@ Argument files are now superseded by..
## Config files ## Config files
hledger will read extra command line options from a `hledger.conf` config file. As of hledger 1.40, you can optionally save command line options (or arguments)
These will be inserted early in the command line, so your later options can override them if needed. to be used when running hledger commands, in a config file. Here's a small example:
The config file can contain general options (which will be used with all commands that support them), and command-specific options (or arguments).
[hledger.conf.sample](https://github.com/simonmichael/hledger/blob/master/hledger.conf.sample) is an example,
which you can install as, eg, `./hledger.conf` or `$HOME/.hledger.conf`.
To be precise, hledger looks for `hledger.conf` in the current directory or above, ```conf
or in your home directory (with a dotted name, `~/.hledger.conf`), # General options are listed first, one or more per line.
or finally in your XDG config directory (`~/.config/hledger/hledger.conf`). # These will be used with all hledger commands that support them.
Or you can select a particular config file by using the `--conf` option, --pretty
or by adding a `hledger --conf` shebang line to a config file and executing it like a script (see the example file).
You can inspect the finding and processing of config files with `--debug` or `--debug=8`.
If you want to run hledger without a config file, to ensure standard defaults and behaviour, use the `-n/--no-conf` flag. # Options following a `[COMMANDNAME]` heading are used with that hledger command only.
This is recommended when using hledger in scripts, and when troubleshooting problems. [print]
--explicit --show-costs
```
When both `--conf` and `--no-conf` options are used, the last (right-most) wins. To use a config file, specify it with the `--conf` option.
Its options will be inserted near the start of your command line (so you can override them if needed).
Or, you can add a `hledger --conf` shebang line to a config file and execute it like a script.
*(in master, experimental)* Or, you can set up an automatic config file that is used whenever you run hledger.
This can be `hledger.conf` in the current directory or above,
or `.hledger.conf` in your home directory (`~/.hledger.conf`),
or `hledger.conf` in your XDG config directory (`~/.config/hledger/hledger.conf`).
You can ignore config files by adding the `-n/--no-conf` flag.
This is useful when using hledger in scripts, or when troubleshooting.
(When both `--conf` and `--no-conf` options are used, the right-most wins.)
To inspect the processing of config files, use `--debug` or `--debug=8`.
Here is another example config file you could start with:
<https://github.com/simonmichael/hledger/blob/master/hledger.conf.sample>
Automatic config files are convenient, but have a cost: it's easy to change a report's behaviour,
or break scripts/applications which use hledger, in unintended ways that will surprise you later.
They change the nature of hledger somewhat, making it less transparent and predictable.
If you decide to use one, here are some tips:
- Be conservative about what you put in it. Try to consider the effect on all your reports.
- Whenever a hledger command does not work as expected, try it again with `-n`.
- If that helps, you can run it with `--debug` to see how a config file affected it.
This feature has been added in hledger 1.40 and is considered *experimental*.
# Output # Output