Shell script Remote Batch execution command

#! /usr/bin/expectset ip 10.91.96.                  ######    Network Segment Set time 30set username  root#### #for  {set ip 11} {$ip <=50} {incr ip} {           ######  is greater than or equal to 11 less than or equal to 50 if IP is regularly available. foreach ip {81 82 83 84 86 87 88 89 91 92 93  94 96 97 98 99} {                 ##### #IPspawn  ssh -p 6122 [email protected] $IP $ipexpect  {"(yes/no)?"  { send  "yes\r";  exp_continue } "Password:"  { send  "[email  protected]\r " }   ###### root Password        }expect   "*#" send  "CP&NBSP;/ETC/LOGIN.DEFS&NBsp;/etc/login.defs.bak\r "send " cp /etc/profile /etc/profile.bak\r "send " cp /etc/ Pam.d/common-password /etc/pam.d/common-password.bak\r "send " sed  -i -e  '/^PASS_ max_days/' d /etc/login.defs\r "send " sed  -i -e  '/^pass_min_days/' d /etc/ Login.defs\r "send " sed  -i -e  '/^pass_warn_age/' d /etc/login.defs\r "send " Cecho pass_max_days 90 >> /etc/login.defs\r "send " echo PASS_MIN_DAYS  5 >> /etc/login.defs\r "send " echo pass_warn_age 7 >> /etc/ Login.defs\r "send " secho pass_min_len 8 >> /etc/login.defs\r "send " Echo  tmout=300 >> /etc/profile\r "send " echo password            required        pam_cracklib.so  use_authtok minlen=8 ucredit=-1 lcredit=-1 dcredit=-1 ocredit=-1 >> /etc/pam.d/ Common-password\r "expect " *# "send " exit\r " }expect eof

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Shell script Remote Batch execution command