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| author |   Ulrich Müller <ulm@gentoo.org> | 2022-06-04 23:24:47 +0200 |
|---|---|---|
| committer | Ulrich Müller <ulm@gentoo.org> | 2022-06-10 19:14:07 +0200 |
| commit | 7d05c22848ed37bf5b594a30e56ee2793d1b1afb (patch) | |
| tree | 1f28419c0b2a4a493ff743e52048e41b50e24d7c | |
| parent | general-concepts/config-protect: Whitespace (diff) | |
| download | devmanual-7d05c22848ed37bf5b594a30e56ee2793d1b1afb.tar.gz devmanual-7d05c22848ed37bf5b594a30e56ee2793d1b1afb.tar.bz2 devmanual-7d05c22848ed37bf5b594a30e56ee2793d1b1afb.zip | |
tools-reference/bash: Add tables of metacharacters and constructs
Parts of this have been taken from the Bash Reference Manual authored by
Chet Ramey and Brian Fox. See https://bugs.gentoo.org/829916#c9.
Closes: https://bugs.gentoo.org/829916
Reported-by: Alexis <flexibeast@gmail.com>
Signed-off-by: Ulrich Müller <ulm@gentoo.org>
| -rw-r--r-- | tools-reference/bash/text.xml | 61 |
1 files changed, 54 insertions, 7 deletions
diff --git a/tools-reference/bash/text.xml b/tools-reference/bash/text.xml index 092e95d..5e541ca 100644 --- a/tools-reference/bash/text.xml +++ b/tools-reference/bash/text.xml @@ -667,18 +667,65 @@ The <c>pattern</c> may contain a number of special metacharacters for pattern matching. </p> -<todo> -tables of bash metachars -</todo> +<table> +<tr> + <th>Character</th> + <th>Meaning</th> +</tr> +<tr> + <ti><c>*</c></ti> + <ti>Matches any string, including the null string</ti> +</tr> +<tr> + <ti><c>?</c></ti> + <ti>Matches any single character</ti> +</tr> +<tr> + <ti><c>[...]</c></ti> + <ti>Matches any one of the enclosed characters</ti> +</tr> +</table> + +<p> +Refer to the +<uri link="https://www.gnu.org/software/bash/manual/html_node/Pattern-Matching.html"> +Bash Reference Manual</uri> for further details and caveats regarding these +characters. +</p> <p> If the <c>extglob</c> shell option is enabled, a number of additional constructs -are available. These can be <e>extremely</e> useful sometimes. +are available. These can be <e>extremely</e> useful sometimes. In the following +table, a <c>pattern-list</c> is a list of one or more patterns separated by +<c>|</c>. </p> -<todo> -table of extra bash goodies -</todo> +<table> +<tr> + <th>Construct</th> + <th>Meaning</th> +</tr> +<tr> + <ti><c>?(pattern-list)</c></ti> + <ti>Matches zero or one occurrence of the given patterns</ti> +</tr> +<tr> + <ti><c>*(pattern-list)</c></ti> + <ti>Matches zero or more occurrences of the given patterns</ti> +</tr> +<tr> + <ti><c>+(pattern-list)</c></ti> + <ti>Matches one or more occurrences of the given patterns</ti> +</tr> +<tr> + <ti><c>@(pattern-list)</c></ti> + <ti>Matches one of the given patterns</ti> +</tr> +<tr> + <ti><c>!(pattern-list)</c></ti> + <ti>Matches anything except one of the given patterns</ti> +</tr> +</table> </body> </subsection> |