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notes: add Pattern Matching section

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Khaïs COLIN 2025-02-07 15:41:09 +01:00
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NOTES.md
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@ -242,7 +242,30 @@ When a pattern is used for filename expansion, the character '.' at the start of
a filename or immediately following a slash must be matched explicitly. In order
to match the filenames '.' and '..', the pattern must begin with '.'
When matching a filename, the slash character must always be matched explicitly
by a slash in the pattern.
##### Pattern Matching
cf. 3.5.8.1 Pattern Matching
Any character that appears in a pattern, other than the special pattern
characters described below, matches itself. The NUL character may not occur in
a pattern.
The special pattern characters have the following meanings:
'\*'
Matches any string, including the null string.
The special pattern characters must be quoted if they are to be matched
literally.
e.g. this is the required behaviour
```shell
bash-5.1$ ls *there
'hello*there' 'hi*there' noonethere
bash-5.1$ ls *'*'there
'hello*there' 'hi*there'
```
#### Quote Removal
TODO