local

来自「linux程序设计（第2版）」· 代码 · 共 21 行

#!/bin/sh

sample_text="global variable"

foo() {
    local sample_text="local variable"

    echo "Function foo is executing"
    echo $sample_text
}

echo "script starting"
echo $sample_text

foo

echo "script ended"
echo $sample_text

exit 0