[Feature]Upload Modem source code

Change-Id: Id4294f30faced84d3e6fd6d5e61e1111bf287a37
diff --git a/mcu/tools/echoLongString4.pl b/mcu/tools/echoLongString4.pl
new file mode 100644
index 0000000..ba1061a
--- /dev/null
+++ b/mcu/tools/echoLongString4.pl
@@ -0,0 +1,23 @@
+#!/usr/local/bin/perl

+$OUTPUT = $ARGV[0];

+shift(@ARGV);

+

+@INPUT = @ARGV;

+

+@new_output = sort @INPUT;

+

+if(-e $OUTPUT) {

+	open(W,">>$OUTPUT") or die "Cannot open $OUTPUT";

+} else {

+	open(W,">$OUTPUT") or die "Cannot open $OUTPUT";

+}

+

+foreach (@new_output) {

+  print W "$_ ";

+}

+print W "\n";

+close(W);

+

+

+

+