linux - spawn: How to pass arguments to spawn within an expect script? -


i have bigger bash-script stumbled problem, use ssh connect computer. 1 visited first time (always, ;) ) , therefore asks the authenticity of host '[192.168.120.170]:9022 ([192.168.120.170]:9022)' can't established. sure want continue connecting (yes/no)?

so tried answer question using additional expect/spawn script.

so have 2 files: deploy.sh

#!/bin/bash ... functions , more # call expect script first time onto target /usr/bin/expect -d -f ./deployimage_helper.exp -- -p 9022 root@192.168.120.170

deploy_helper.exp

#!/usr/bin/env expect  -f set args [lrange $argv 1 end] spawn ssh {*}$args expect "the authenticity of host'[192.168.120.170]([192.168.120.170]:9022)' can't established." send "yes"

if run deploy.sh error message: invalid command name "192.168.120.170"

somehow don't spawn running ssh.

any appreciated.

edit:

changed deploy.sh line 4

set args [lrange $argv 1 end] spawn ssh {*}$args expect -re {the authenticity of .* can't established.} {     send "yes" }  interact

inside "" variables , square brakets [] (evaluate command inside brackets , place result instead), expanded , evaluated. need quote square brackets \[ or use {} instead of "". btw, can supress asking question (only warning showing) openssh options:

ssh -o userknownhostsfile=/dev/null -o stricthostkeychecking=no -p 9022 root@192.168.120.170

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