local

Linux程序设计第一章源程序 Linux程序设计第一章源程序

#!/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