user@host:~/scripts$ ./key.pl
Scalar value @hostname_check_arr[1] better written as $hostname_check_arr[1] at ./key.pl line 44.
Scalar value @words[1] better written as $words[1] at ./key.pl line 50.
Scalar value @key_check_arr[1] better written as $key_check_arr[1] at ./key.pl line 61.
#ssh-rsa AAAAB3NzaC1yc root@EXBOLB4-NO1#gI" /tmp/test.txt']] at ./key.pl line 70.
OpenSSH_7.4p1, OpenSSL 1.0.2k-fips  26 Jan 2017
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 58: Applying options for *