I am trying to append a variable from an adduser script to a line in a config file (for samba).

Can someone assist me here?

The function is in BOLD below:  createNewSambaAllow()

It's not working to put the new line in the smb.conf file?  

Cry!  Beg!  Plead!

Note:  This is a assuming I already have a user named "unique" in my smb.conf line.

#####################################start script#######################################3

#!/bin/bash

# Add shell and samba user.

_now=$(date +"%m_%d_%Y")

basedir=/home

usershell=/bin/bash

## Declare all the functions first

## function to check if user already exists on system

ifUserExits(){

        grep $1 /etc/passwd > /dev/null

        [ $? -eq 0 ] && return $TRUE || return $FALSE

}

## function to create the user with default shell and home directory passed from below

createNewUser(){

        if /usr/sbin/useradd "$@"

        then echo "User $6 Added"

        fi

}

## function to set the user password

createPassword(){

        if echo -e "$1\n$1\n" | echo $1:$2 |chpasswd

        then echo "Password Created for User $2"

        fi

}

## function to setup samba user

createNewSambaUser(){

        if (echo $1; echo $1) | /usr/bin/smbpasswd -as $2

        then echo "Samba Account for User $2 Added"

        fi

}

#####This is the part I have issues with:

## function to add user to the Samba config and restart daemon

createNewSambaAllow(){

        # Copy to backup the config:

        cp /etc/samba/smb.conf /etc/samba/smb.conf-$_now

        # stuff the line we need to append to into a variable called $oldline

        # this is supposed to look like this "valid users = unique thing1 thing2 thing3 alice"

        oldline = grep unique /etc/samba/smb.conf

        # delete the old line in the smb.conf

        sed '/unique/d' /etc/samba/smb.conf >>/etc/samba/smb.conf

        # dump the old line and the new user into the bottom of smb.conf

        echo $oldline && echo $username  >> /etc/samba/smb.conf

        # restart samba

      /etc/init.d/samba restart

        echo "Samba Config Added and Daemon restarted"

}

### This is just for your info #####

## make sure root is running script

if [ $(id -u) -ne 0 ]

then

    echo "You must be root or use sudo to run this script!"

    exit 2

fi

## get username from input

read -p "Enter username : " username

## if user doesn't exist, add user

if ( ! ifUserExits $username )

then

        ## get password from input

        read -p "Enter password : " password

        createNewUser -m -b $basedir -s $usershell $username

        createPassword $password $username

        createNewSambaUser $password $username

        createNewSambaAllow $username

else

       ## oops, username already being used

        echo "Username \"$username\" already exists"

       exit 3

fi

# End Bash Example

--

Anyone?

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