run linux bash script on adb shell

Issue

I'm trying to run linux shell script on adb shell. It's giving errors! Here is the whole story:

I wrote a simple bash script hello.sh :

#!/bin/bash
function hello
{
    echo "hello world!"
}

hello

running it as ./hello.sh produces the o/p

hello world!

Now I pushed the file to android device using

adb push hello.sh /data/folder_name

then ran following command to enter in adb shell

adb shell

In adb shell fired following commands

cd /data/folder_name
chmod 755 hello.sh
sh hello.sh

This is what I get on adb shell :

# sh hello.sh
sh hello.sh
function: not found
hello world!
hello: not found
#

What's happening here! Or is there some different way to write function for adb shell script

I searched but didn't get proper solution Please help.

Solution

Not sure about adb, but 'function' is not standard syntax. It is available in many shells, but the standard way to define a function is:

hello() { echo hello world; }

Answered By - William Pursell