shellScript之函数中的全局变量和局部变量

#!/bin/bashtext="global variable"use_local_var_fun(){    local text ="local variable"    echo "In function use_local_var_fun"    echo $text}echo "Execute the function use_local_var_fun"use_local_var_funecho "out of function use_local_var_fun"echo "$text"

结果：

~/Note/test # ./33local_to_global_var.sh Execute the function use_local_var_fun./33local_to_global_var.sh: 第 5 行:local: `=local variable': 不是有效的标识符In function use_local_var_funout of function use_local_var_funglobal variable