password hiding in shell

Question

I am new to shell scripting . i want to make the password not visible when we type password ..can you please suggest me on this

echo "enter your password"

read pass

if [ "$pass" != "" ]

then

echo "thank you "

else

echo "invalid password"

exit

fi

Possible duplicate: http://stackoverflow.com/questions/3980668/how-to-get-a-password-from-a-shell-script-without-echoing — slevon, Dec 12 '13 at 06:16

score 2 · Accepted Answer · answered Dec 12 '13 at 06:15

2

Alternatively, if you issue in your bash prompt:

help read

You will find out that you can use a switch.

 -s                do not echo input coming from a terminal

Thus simply using read -s pass will solve your problem.

answered Dec 12 '13 at 06:15

tvm

score 1 · Answer 2 · answered Dec 12 '13 at 06:10

1

Use

# turn echo off
stty -echo

...

# turn echo back on
stty echo

answered Dec 12 '13 at 06:10

score 1 · Answer 3 · answered Mar 08 '16 at 04:28

1

read -sp pass

this should help.

answered Mar 08 '16 at 04:28

SudoAgent

3 Answers3