hostap-timestamp: Add perl script to turn hostap timestamp into human readable timestamp.

hostap_timestamp.pl

@@ -0,0 +1,18 @@
+#!/usr/bin/perl
+
+use POSIX qw( strftime );
+
+while (<>) {
+  my $ln = $_;
+  if ($ln =~ /^(\d+)\.(\d+): (.*)/) {
+    my $time_sec = $1;
+    my $usec = $2;
+    my $rest = $3;
+    my $usec_pad = sprintf("%06d", $usec);
+    my $dt = strftime("%Y-%m-%d %H:%M:%S", localtime($time_sec));
+    print "$dt.$usec_pad $rest\n";
+  }
+  else {
+    print $ln;
+  }
+}