Bash 变量:区分大小写?
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Bash variables: case sensitive or not?
提问by Mario
Is bash shell scripting case sensitive?
bash shell 脚本是否区分大小写?
Is variable datethe same as DATE?
变量date与DATE?
回答by John Kugelman
Yes, it is case sensitive, just like the rest of UNIX. $dateand $DATEare two different variables. makefileand Makefileare two different files. -hand -Hare two distinct flags (usually).
是的,它区分大小写,就像 UNIX 的其余部分一样。$date和$DATE是两个不同的变量。makefile并且Makefile是两个不同的文件。-h和-H是两个不同的标志(通常)。

