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Simon Michael 2024-10-16 16:23:45 -10:00
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hledger/hledger.m4.md
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@ -338,7 +338,7 @@ $ hledger balance cur:\\$
### Triple-escaping add-on command arguments
When you run an external add-on command with `hledger` (described below),
any options or arguments being passed through to the add-on command will lose one level of shell-escaping.
any options or arguments being passed through to the add-on executable will lose one level of shell-escaping.
So those will need an extra level of shell-escaping.
Or, you can avoid this issue by running the add-on executable directly.
@ -362,13 +362,12 @@ $ hledger-ui cur:\\$
If you're wondering why there's *four* backslashes in the second example, perhaps this helps:
| | |
|-----------------|---------|
| unescaped: | `$` |
| escaped: | `\$` |
| double-escaped: | `\\$` |
| triple-escaped: | `\\\\$` |
| ||
|---------|----------------------------------------------------------------------------------------------------------
| `$` | is unescaped
| `\$` | is single-escaped (for regex)
| `\\$` | is double-escaped (for regex, then for shell)
| `\\\\$` | is triple-escaped (for regex, then for shell, then both slashes once more for hledger argument pass-through
### Escaping in other contexts