May 2007
Beginner
628 pages
15h 46m
English
Content preview from bash Cookbook
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extglob Extended Pattern-Matching Operators
The operators in Table A-20 apply when using shopt -s
extglob. Matches are case-sensitive, but you may use shopt -s nocasematch (bash
3.1+) to change that. This option affects case and [[ commands.
Table A-20. extglob extended pattern-matching operators
Grouping | Meaning |
|---|---|
@( … ) | Only one occurrence |
*( … ) | Zero or more occurrences |
+( … ) | One or more occurrences |
?( … ) | Zero or one occurrences |
!( … ) | Not these occurrences, but anything else |
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