FrankLv

[username@resetpw (0)]$cat inputtest.sh
#!/bin/sh

echo "Enter ID         : "; read username
echo "Enter New password  : "; read password
echo "get user id " $username " and password " $password

[username@resetpw (0)]$./inputtest.sh
Enter ID         :
hello
Enter New password  :
worldpasswd
get user id  hello  and password  worldpasswd
[username@resetpw (0)]$
[username@resetpw (0)]$./inputtest.sh<<EOF
> hello
> worldpasswd
> EOF
Enter ID         :
Enter New password  :
get user id  hello  and password  worldpasswd
[username@resetpw (0)]$
[username@resetpw (0)]$echo hello>tempfile
[username@resetpw (0)]$echo worldpasswd>>tempfile
[username@resetpw (0)]$./inputtest.sh <tempfile
Enter ID         :
Enter New password  :
get user id  hello  and password  worldpasswd