使用export可以将变量导入到shell中,示例如下:
先写export2;
#! /bin/sh
echo "$foo"
echo "$bar"
再写export1:
#! /bin/sh
foo="the first "
export bar="the second"
./export2.sh
使用export可以将变量导入到shell中,示例如下:
先写export2;
#! /bin/sh
echo "$foo"
echo "$bar"
#! /bin/sh
foo="the first "
export bar="the second"
./export2.sh