在Shell变量引用操作符可实现模式匹配替换其中( )用来的含义是若pattern 匹配变量stra的头部,则删除最长匹配部分并返回剩余部分。
A: ${stra
B: pattern}
C: ${stra
D: pattern }
E: ${stra%pattern}
F: ${stra%%pattern}
A: ${stra
B: pattern}
C: ${stra
D: pattern }
E: ${stra%pattern}
F: ${stra%%pattern}
B
举一反三
内容
- 0
Wir ´gehen die Straße ______ , dann können wir die Oper finden.
- 1
Can you list three kinds of cause-and-effect patterns? Pattern one: ______; pattern two: ______; pattern three: ______.
- 2
Which pattern does Text A--What Makes Smart Cities Smart--follow? A: General-to-specifc pattern B: Specific-to-general pattern
- 3
【单选题】Topic: Regular exercise and health Please choose which pattern this paragraph is. A. Cause-focused pattern B. Effect-focused pattern
- 4
We can trace many causes for the occurrence and development of hydrological phenomena. Therefore, the change in hydrological phenomena . A: has a completely deterministic pattern B: has a completely statistical pattern C: has causality pattern D: has no pattern