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代码： 全选

song@ubuntu-song:/tmp$ bash --version
GNU bash, version 3.1.17(1)-release (i486-pc-linux-gnu)
Copyright (C) 2005 Free Software Foundation, Inc.

代码： 全选

song@ubuntu-song:/tmp$ cat haha.sh
#!/bin/sh

function printhaha ()
{
        echo 'inner function'
}

echo "outter function"

printhaha
song@ubuntu-song:/tmp$ ./haha.sh
./haha.sh: 3: Syntax error: "(" unexpected

代码： 全选

song@ubuntu-song:/tmp$ cat haha_1.sh
#!/bin/sh

function printhaha
{
        echo 'inner function'
}

echo "outter function"

printhaha
song@ubuntu-song:/tmp$ ./haha_1.sh 
./haha_1.sh: 3: function: not found
inner function
outter function
./haha_1.sh: 10: printhaha: not found

代码： 全选

song@ubuntu-song:/tmp$ cat haha_2.sh
#!/bin/sh

printhaha ()
{
        echo 'inner function'
}

echo "outter function"

printhaha
song@ubuntu-song:/tmp$ ./haha_2.sh
outter function
inner function