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bash shell脚本编程经典实例 (第2版)
book

bash shell脚本编程经典实例 (第2版)

by Carl Albing, JP Vossen
January 2021
Intermediate to advanced
581 pages
15h 7m
Chinese
Posts & Telecom Press
Content preview from bash shell脚本编程经典实例 (第2版)
106
5
while
read TXT
do
UP="${TXT}"
dn="${TXT}"
Ca="${TXT}"
echo $TXT $UP $dn $Ca
done
如果变量是通过
-c
声明的,即便字符串中包含多个单词,也只有首字母大写。你可以尝
试运行并观察其如何工作。
5.24.3
 参考
man rename
5.25
5.25
 转换为驼峰命名法
5.25.1
 问题
你希望字符串中每个单词的首字符都是大写,而不仅限于首字母。
5.25.2
 解决方案
结合使用数组与大小写转换运算符。
while
read TXT
do
RA=($TXT) # 一定得是($,不要写成$(
echo ${RA[@]^}
done
5.25.3
 讨论
$TXT
周围的括号令其被视为数组初始化。文本中分隔单词的空白字符划分了数组元素。
[@]
语法一次性引用数组中的所有元素,
^
操作符将每个元素的首字符转换为大写。
5.25.4
 参考
5.24
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Publisher Resources

ISBN: 9787115553782