最後更新: 2021-09-21
目錄
- 使用未宣告的 Variable
- local 與 Global
- env
- $SHLVL
- !$
- Declaring a Bash Variable
- Special parameters
- Random Varable - $RANDOM
- Substitution with a default value
- Substitution for actual value
- Substitution with value check
- Parameter Length
- Substring Starting Character
- Remove Pattern
- Find And Replace
- Environmental variables
- regex(=~)
- stdin with EOF