LED.cfg
dev_lcd
AppID=APTC_RDFG
User=AB12345

tst_lcd
AppID=APTC_RERF
User=AB45678

pro_lcd
AppID=APTC_RDHF
User=AB98765

##</code><code>##

my AppID = $LED.cfg->param( $pillar . "_lcd.AppID);

AppID=AppID configured in cyberark
LED.cfg = configuration file where all server AppID and user names are stored
param = calling the AppID from LED.cfg using _lcd syntax and assign to $AppID
pillar = searches the server if belongs to development or test or production. if $pillar is development, dev_lcd is connected and AppID under dev_lcd is assigned to $AppID.

##</code><code>##

my $pwd = qx($path/CA.pl);
my $pwd = qx("$path/CA.pl");
my $pwd = system($path/CA.pl);
my $pwd = system('$path/CA.pl');
my $pwd = system('usr/local/bin/perl -w $path/CA.pl');