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$ cat test.pl
#! /usr/bin/perl
print "hello ";
system ("/usr/bin/perl /home/user/test1.pl");
$
$ cat test1.pl
#! /usr/bin/perl
print "world\n";
$
$ ./test.pl
hello world
$
$

try:
IFS= read -r

Or for example, just put the sequences in variables and use those in the format part of printf.
$ BLUE="\e[0;34m"
$ GREEN="\e[0;32m"
$ RED="\e[0;31m"
$ NOCOLOR="\e[0m"
$ printf "%s $BLUE%s...