On Fri, Feb 09, 2001 at 10:16:12AM +1100, Simon Bryan wrote:
> looking for some kind person who knows about these things to send me a
> short script that would call 'passwd' repeatedly from names in a file and
When run as root, and given a username, `passwd' asks for the new
password twice. Simply creating a text file with two lines, each with
the new password, doesn't work (`passwd' probably flushes the input
buffer after printing the prompt). However, you could use `expect' to
do what you need. Below is a working example (generated by autoexpect
and slightly modified by me). Run it like this:
for i in "user1 user2 user3"; do ./passwd.exp $i; done
If you want to specify the new password on the command line, change
the text `abcd1234' to `[lrange $argv 1 1]' in both places.
Cheers,
John
----------------
#!/usr/bin/expect -f
set force_conservative 1 ;# set to 1 to force conservative mode even if
;# script wasn't run conservatively originally
if {$force_conservative} {
set send_slow {1 .1}
proc send {ignore arg} {
sleep .1
exp_send -s -- $arg
}
}
set timeout -1
spawn passwd [lrange $argv 0 0]
match_max 100000
expect "New UNIX password: "
# new password
send -- "abcd1234\r"
expect "Retype new UNIX password: "
# repeat new password
send -- "abcd1234\r"
expect eof
--
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