URGENT-Help for Shell Scripting

[angrish]

hi,

i want to change the password of root by non-root user using shell file.
i am trying
echo user_password | sudo passwd --stdin root

here user_password is the password entered by the user

it works fine from the command line, but from shell i am trying

echo $1 | sudo passwd --stdin root

and it just prints the
$1 | sudo passwd --stdin root

solution to this problem will be highly appreciated.

thanx
vishal angrish

[andutt]

With the echo command you tells the shell just to print it out on standard output... try this one..

#!/bin/sh

if [ -z $1 ]
   then
   echo "You must specifie something after $0"
   exit 1
else
   echo "Executing $1 to sudo passwd --stdin root"
   echo $1 | sudo passwd --stdin root 

   if [ $? = 0 ]
      then
      echo "Wow it seemed to work.."
   else
      echo "Oops the Sudo passwd command failed."
      exit 1
   fi
fi